Token USD Coin

Overview ERC20

Price
$1.00 @ 2.838216 GLMR (+0.01%)
Fully Diluted Market Cap
Total Supply:
51,319,681.161375 USDC

Holders:
10,166 addresses
Balance
73,555.361016 USDC

Value
$73,567.95 ( ~208,766.0341 GLMR) [0.1433%]
0xab89ed43d10c7ce0f4d6f21616556aecb71b9c5f
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Market

Volume (24H):$3,276,475,099.91
Market Capitalization:$43,962,402,884.10
Circulating Supply:43,954,879,213.00 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$1.004
0.0000611 Btc
$306,943,333.00
299,355,870.450 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.1521%
2
LBank
BTC-USDC$1.002
0.0000610 Btc
$284,792,681.00
17,347.232 BTC
0.0000%
3
Kraken
USDC-USDT$1.002
0.0000610 Btc
$196,829,307.00
196,496,381.065 USDC
0.0998%
4
MEXC Global
BTC-USDC$1.00
0.0000609 Btc
$186,943,757.00
11,386.888 BTC
0.0000%
5
Kraken
USDC-USD$0.9999
0.0000609 Btc
$186,576,812.00
186,595,471.232 USDC
0.0948%
6
LBank
ETH-USDC$1.002
0.0000610 Btc
$163,067,667.00
134,715.627 ETH
0.0001%
7
MEXC Global
ETH-USDC$1.003
0.0000610 Btc
$161,530,836.00
133,375.831 ETH
0.0001%
8
Bitforex
USDC-USDT$1.001
0.0000610 Btc
$110,579,122.00
110,425,520.740 USDC
0.0561%
9
Bitforex
BTC-USDC$1.002
0.0000610 Btc
$77,356,662.00
4,710.610 BTC
0.0000%
10
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$0.9969
0.0000607 Btc
$48,233,228.00
48,380,099.595 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0246%
11
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.003
0.0000611 Btc
$34,868,425.00
29,167.564 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
12
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.004
0.0000611 Btc
$33,107,926.00
32,466,132.186 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0165%
13
Huobi
USDC-USDT$1.002
0.0000610 Btc
$28,331,808.00
28,284,121.875 USDC
0.0144%
14
Kraken
USDC-EUR$0.9996
0.0000608 Btc
$25,534,717.00
25,544,398.283 USDC
0.0130%
15
BitMart
BTC-USDC$1.003
0.0000610 Btc
$23,027,360.00
1,400.437 BTC
0.0000%
16
XT.COM
USDC-USDT$1.002
0.0000610 Btc
$18,132,289.00
18,101,366.520 USDC
0.0092%
17
Hotbit
USDC-USDT$1.001
0.0000609 Btc
$18,009,898.00
17,999,103.030 USDC
0.0091%
18
WhiteBIT
USDC-USDT$1.002
0.0000610 Btc
$17,533,839.00
17,505,631.430 USDC
0.0089%
19
BKEX
BTC-USDC$1.002
0.0000610 Btc
$16,735,690.00
1,021.182 BTC
0.0000%
20
DigiFinex
USDC-USDT$1.002
0.0000610 Btc
$16,624,965.00
16,591,984.379 USDC
0.0084%
21
P2B
USDC-BUSD$1.002
0.0000610 Btc
$16,458,770.00
16,426,494.000 USDC
0.0083%
22
P2B
USDC-USDT$1.001
0.0000610 Btc
$16,407,868.00
16,385,076.000 USDC
0.0083%
23
Bybit
BTC-USDC$1.00
0.0000609 Btc
$16,148,690.00
982.483 BTC
0.0000%
24
BingX
BTC-USDC$1.001
0.0000609 Btc
$15,751,041.00
963.020 BTC
0.0000%
25
BKEX
ETH-USDC$1.002
0.0000610 Btc
$13,209,607.00
11,048.879 ETH
0.0000%
26
WhiteBIT
BTC-USDC$1.001
0.0000609 Btc
$11,540,587.00
702.371 BTC
0.0000%
27
Bybit
ETH-USDC$1.001
0.0000609 Btc
$11,132,236.00
9,173.942 ETH
0.0000%
28
MEXC Global
AVAX-USDC$1.003
0.0000610 Btc
$10,710,601.00
856,122.560 AVAX
0.0004%
29
OKX
USDC-USDT$1.002
0.0000610 Btc
$10,321,848.00
10,303,361.751 USDC
0.0052%
30
DigiFinex
ETH-USDC$1.002
0.0000610 Btc
$10,087,022.00
8,330.190 ETH
0.0000%
31
KuCoin
USDC-USDT$1.002
0.0000610 Btc
$9,711,393.00
9,692,902.982 USDC
0.0049%
32
OKX
ETH-USDC$1.003
0.0000610 Btc
$9,275,795.00
7,752.836 ETH
0.0000%
33
Bybit
USDC-USDT$0.9981
0.0000609 Btc
$9,269,889.00
9,287,143.930 USDC
0.0047%
34
OKX
BTC-USDC$1.003
0.0000610 Btc
$8,836,902.00
539.034 BTC
0.0000%
35
KuCoin
BTC-USDC$1.002
0.0000610 Btc
$8,071,496.00
491.601 BTC
0.0000%
36
BKEX
USDC-USDT$1.001
0.0000610 Btc
$7,568,437.00
7,557,156.519 USDC
0.0038%
37
DigiFinex
BTC-USDC$1.001
0.0000609 Btc
$7,004,830.00
426.489 BTC
0.0000%
38
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9969
0.0000607 Btc
$6,787,183.00
6,808,674.316 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0035%
39
MEXC Global
DOGE-USDC$1.003
0.0000610 Btc
$6,554,586.00
64,409,847.190 DOGE
0.0327%
40
BingX
ETH-USDC$1.002
0.0000610 Btc
$5,764,425.00
4,829.508 ETH
0.0000%
41
KuCoin
USDT-USDC$1.002
0.0000610 Btc
$5,015,843.00
5,006,582.389 USDT
0.0025%
42
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000610 Btc
$4,218,308.00
4,128,704.931 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0021%
43
BingX
USDC-USDT$1.002
0.0000610 Btc
$4,074,908.00
4,065,911.959 USDC
0.0021%
44
BitMart
ETH-USDC$1.002
0.0000610 Btc
$4,022,402.00
3,315.983 ETH
0.0000%
45
KuCoin
ETH-USDC$1.002
0.0000610 Btc
$3,748,715.00
3,096.374 ETH
0.0000%
46
Kraken
USDC-GBP$0.9991
0.0000608 Btc
$3,707,057.00
3,710,267.375 USDC
0.0019%
47
Gemini
USDC-USD$0.9996
0.0000608 Btc
$3,632,872.00
3,634,507.286 USDC
0.0018%
48
WhiteBIT
ETH-USDC$1.00
0.0000609 Btc
$3,597,053.00
2,962.384 ETH
0.0000%
49
Bitget
BTC-USDC$1.003
0.0000610 Btc
$2,891,982.00
176.648 BTC
0.0000%
50
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9987
0.0000608 Btc
$2,890,077.00
2,842,304.782 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0014%
51
MEXC Global
XRP-USDC$1.003
0.0000610 Btc
$2,701,028.00
6,885,952.170 XRP
0.0035%
52
MEXC Global
LTC-USDC$1.003
0.0000610 Btc
$2,518,832.00
33,313.480 LTC
0.0000%
53
Kraken
BTC-USDC$1.001
0.0000609 Btc
$2,440,703.00
148.723 BTC
0.0000%
54
MEXC Global
EOS-USDC$1.003
0.0000610 Btc
$2,150,848.00
2,346,323.960 EOS
0.0012%
55
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9969
0.0000607 Btc
$1,897,142.00
116.993 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
56
MEXC Global
SOL-USDC$1.003
0.0000610 Btc
$1,861,649.00
138,184.520 SOL
0.0001%
57
MEXC Global
SHIB-USDC$1.003
0.0000610 Btc
$1,785,694.00
195,600,633,705.000 SHIB
99.3818%
58
Kraken
ETH-USDC$1.003
0.0000610 Btc
$1,682,198.00
1,386.991 ETH
0.0000%
59
MEXC Global
TRX-USDC$1.003
0.0000610 Btc
$1,331,245.00
24,780,741.730 TRX
0.0126%
60
Binance US
USDC-USD$0.9998
0.0000608 Btc
$1,300,458.00
1,300,717.783 USDC
0.0007%
61
Bitfinex
UDC-USD$1.001
0.0000609 Btc
$987,747.00
987,056.111 UDC
0.0005%
62
MEXC Global
ADA-USDC$1.003
0.0000610 Btc
$888,884.00
2,862,261.100 ADA
0.0015%
63
Tidex
BTC-USDC$1.00
0.0000608 Btc
$809,767.00
49.244 BTC
0.0000%
64
Bitget
USDC-USDT$1.001
0.0000609 Btc
$803,460.00
802,224.190 USDC
0.0004%
65
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$1.004
0.0000611 Btc
$789,205.00
787,000.612 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0004%
66
Tidex
USDC-USDT$1.002
0.0000610 Btc
$787,224.00
785,814.191 USDC
0.0004%
67
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$1.00
0.0000609 Btc
$783,781.00
658.613 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
68
Coinbase Exchange
USDT-USDC$1.002
0.0000610 Btc
$776,509.00
775,022.670 USDT
0.0004%
69
Bitstamp
USDC-USD$0.9997
0.0000609 Btc
$755,444.00
755,663.003 USDC
0.0004%
70
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.003
0.0000611 Btc
$754,253.00
17,766.572 WEGLD-BD4D79
0.0000%
71
Bitget
ETH-USDC$1.003
0.0000610 Btc
$705,143.00
590.235 ETH
0.0000%
72
MEXC Global
FTM-USDC$1.003
0.0000610 Btc
$577,396.00
2,648,977.490 FTM
0.0013%
73
BitMart
DAI-USDC$1.003
0.0000610 Btc
$573,946.00
572,678.800 DAI
0.0003%
74
Okcoin
USDC-USD$1.00
0.0000609 Btc
$549,020.00
549,019.921 USDC
0.0003%
75
BitMart
USDC-USDT$1.002
0.0000610 Btc
$499,515.00
498,691.500 USDC
0.0003%
76
Coinfield
BTC-USDC$1.001
0.0000609 Btc
$412,572.00
25.116 BTC
0.0000%
77
MEXC Global
AAVE-USDC$1.003
0.0000610 Btc
$401,321.00
6,544.093 AAVE
0.0000%
78
Bitstamp
USDC-EUR$0.9988
0.0000608 Btc
$385,903.00
386,354.658 USDC
0.0002%
79
Coinbase Exchange
USDC-EUR$0.9999
0.0000609 Btc
$370,555.00
370,576.930 USDC
0.0002%
80
Coinbase Exchange
USDC-GBP$0.9988
0.0000608 Btc
$359,936.00
360,369.110 USDC
0.0002%
81
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.004
0.0000611 Btc
$328,020.00
327,449.603 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0002%
82
BKEX
APE-USDC$1.002
0.0000610 Btc
$323,121.00
78,454.478 APE
0.0000%
83
Bitget
BCH-USDC$1.003
0.0000610 Btc
$290,937.00
2,612.602 BCH
0.0000%
84
MEXC Global
ENS-USDC$1.003
0.0000610 Btc
$249,676.00
18,618.700 ENS
0.0000%
85
Phemex
USDC-USDT$1.00
0.0000609 Btc
$239,599.00
239,588.390 USDC
0.0001%
86
KuCoin
BUSD-USDC$1.001
0.0000609 Btc
$235,623.00
235,293.859 BUSD
0.0001%
87
MEXC Global
APE-USDC$1.003
0.0000610 Btc
$218,164.00
52,382.110 APE
0.0000%
88
Bitstamp
BTC-USDC$1.002
0.0000610 Btc
$188,651.00
11.455 BTC
0.0000%
89
Bitget
ADA-USDC$1.003
0.0000610 Btc
$155,044.00
500,878.000 ADA
0.0003%
90
CoinJar Exchange
USDC-AUD$0.998
0.0000608 Btc
$131,952.00
132,215.325 USDC
0.0001%
91
Binance US
USDC-BUSD$1.002
0.0000610 Btc
$131,093.00
130,874.009 USDC
0.0001%
92
CoinEx
USDC-USDT$1.002
0.0000610 Btc
$112,947.00
112,662.483 USDC
0.0001%
93
Bitget
TRX-USDC$1.001
0.0000609 Btc
$105,622.00
1,971,996.300 TRX
0.0010%
94
BKEX
ATOM-USDC$1.002
0.0000610 Btc
$102,318.00
10,224.801 ATOM
0.0000%
95
BKEX
SOL-USDC$1.001
0.0000609 Btc
$91,293.00
6,759.409 SOL
0.0000%
96
Bitget
DOGE-USDC$1.003
0.0000610 Btc
$79,599.00
795,299.327 DOGE
0.0004%
97
BKEX
XRP-USDC$1.002
0.0000610 Btc
$61,605.00
159,507.341 XRP
0.0001%
98
CoinJar Exchange
BTC-USDC$1.002
0.0000610 Btc
$57,074.00
3.441 BTC
0.0000%
99
MojitoSwap
0X0039F574EE5CC39BDD162E9A88E3EB1F111BAF48-0X980A5AFEF3D17AD98635F6C5AEBCBAEDED3C3430$0.9994
0.0000608 Btc
$43,845.00
43,974.384 0X0039F574EE5CC39BDD162E9A88E3EB1F111BAF48
0.0000%
100
Coinsbit
USDC-USDT$1.001
0.0000610 Btc
$38,035.00
37,980.377 USDC
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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