Token USD Coin

Overview ERC20

Price
$1.00 @ 2.719631 GLMR (+0.17%)
Fully Diluted Market Cap
Total Supply:
51,319,715.564273 USDC

Holders:
10,166 addresses
Balance
11.547747 USDC

Value
$11.58 ( ~31.3991 GLMR) [0.0000%]
0x7c9791e1fc7fc8be35fef61384b0eb6931cdea52
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Market

Volume (24H):$2,320,756,415.00
Market Capitalization:$43,137,683,302.00
Circulating Supply:43,063,568,710.00 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$1.007
0.0000593 Btc
$315,612,342.00
315,009,908.827 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.3313%
2
MEXC Global
ETH-USDC$1.001
0.0000590 Btc
$83,899,752.00
65,834.435 ETH
0.0001%
3
Bitforex
USDC-USDT$1.002
0.0000591 Btc
$75,106,477.00
74,958,782.439 USDC
0.0788%
4
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.002
0.0000590 Btc
$74,517,137.00
74,350,603.866 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0782%
5
Bitforex
BTC-USDC$1.001
0.0000590 Btc
$71,087,508.00
4,199.377 BTC
0.0000%
6
MEXC Global
BTC-USDC$0.9989
0.0000590 Btc
$56,439,650.00
3,336.954 BTC
0.0000%
7
Kraken
USDC-USDT$1.003
0.0000590 Btc
$34,851,917.00
34,744,394.887 USDC
0.0365%
8
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.004
0.0000592 Btc
$34,268,811.00
26,693.318 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
9
Kraken
USDC-EUR$1.00
0.0000589 Btc
$26,620,492.00
26,614,866.859 USDC
0.0280%
10
Kraken
USDC-USD$1.00
0.0000589 Btc
$23,429,526.00
23,429,525.600 USDC
0.0246%
11
Huobi
USDC-USDT$1.00
0.0000591 Btc
$22,414,742.00
22,411,937.906 USDC
0.0236%
12
Bybit
BTC-USDC$1.001
0.0000590 Btc
$20,429,844.00
1,205.427 BTC
0.0000%
13
BitMart
BTC-USDC$1.001
0.0000590 Btc
$19,113,579.00
1,128.885 BTC
0.0000%
14
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000590 Btc
$17,892,901.00
18,001,049.922 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0189%
15
XT.COM
USDC-USDT$1.003
0.0000591 Btc
$17,487,649.00
17,436,257.440 USDC
0.0183%
16
BingX
BTC-USDC$1.001
0.0000590 Btc
$17,358,845.00
1,017.877 BTC
0.0000%
17
P2B
USDC-USDT$1.002
0.0000590 Btc
$16,219,357.00
16,191,214.500 USDC
0.0170%
18
P2B
USDC-BUSD$0.9992
0.0000589 Btc
$16,073,174.00
16,086,443.000 USDC
0.0169%
19
BKEX
BTC-USDC$1.003
0.0000591 Btc
$16,035,408.00
937.598 BTC
0.0000%
20
BKEX
ETH-USDC$1.003
0.0000591 Btc
$15,241,706.00
11,856.732 ETH
0.0000%
21
DigiFinex
USDC-USDT$1.002
0.0000591 Btc
$12,704,782.00
12,680,201.268 USDC
0.0133%
22
Bybit
USDC-USDT$1.002
0.0000591 Btc
$12,258,219.00
12,230,095.760 USDC
0.0129%
23
OKX
ETH-USDC$1.003
0.0000591 Btc
$11,325,189.00
8,810.870 ETH
0.0000%
24
Bybit
ETH-USDC$1.001
0.0000590 Btc
$10,792,890.00
8,468.297 ETH
0.0000%
25
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$1.004
0.0000592 Btc
$10,737,947.00
10,681,950.023 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0112%
26
OKX
USDC-USDT$1.003
0.0000591 Btc
$8,585,255.00
8,559,467.433 USDC
0.0090%
27
OKX
BTC-USDC$1.003
0.0000591 Btc
$8,435,354.00
493.334 BTC
0.0000%
28
DigiFinex
ETH-USDC$1.001
0.0000590 Btc
$8,119,700.00
6,366.940 ETH
0.0000%
29
KuCoin
USDC-USDT$1.00
0.0000591 Btc
$6,883,697.00
6,880,823.576 USDC
0.0072%
30
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000590 Btc
$6,766,114.00
6,751,575.372 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0071%
31
BKEX
USDC-USDT$1.003
0.0000591 Btc
$6,184,813.00
6,166,190.220 USDC
0.0065%
32
KuCoin
BTC-USDC$1.003
0.0000591 Btc
$6,025,991.00
355.174 BTC
0.0000%
33
DigiFinex
BTC-USDC$1.001
0.0000590 Btc
$5,776,195.00
341.105 BTC
0.0000%
34
BingX
ETH-USDC$1.001
0.0000590 Btc
$5,375,327.00
4,199.770 ETH
0.0000%
35
BingX
USDC-USDT$1.002
0.0000591 Btc
$4,800,588.00
4,791,453.779 USDC
0.0050%
36
ZigZag (Arbitrum)
WETH-USDC$0.9989
0.0000590 Btc
$4,626,342.00
3,626.860 WETH
0.0000%
37
WhiteBIT
BTC-USDC$1.003
0.0000591 Btc
$4,598,536.00
270.987 BTC
0.0000%
38
MEXC Global
AVAX-USDC$0.9989
0.0000590 Btc
$4,178,559.00
323,185.310 AVAX
0.0003%
39
Kraken
USDC-GBP$1.00
0.0000589 Btc
$3,702,004.00
3,701,197.828 USDC
0.0039%
40
KuCoin
ETH-USDC$1.003
0.0000591 Btc
$3,320,486.00
2,603.083 ETH
0.0000%
41
KuCoin
USDT-USDC$1.003
0.0000591 Btc
$3,282,072.00
3,272,038.938 USDT
0.0034%
42
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.004
0.0000591 Btc
$3,168,041.00
3,166,206.365 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0033%
43
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.005
0.0000592 Btc
$3,124,506.00
3,125,328.525 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0033%
44
MEXC Global
DOGE-USDC$0.9989
0.0000590 Btc
$3,034,458.00
29,862,844.380 DOGE
0.0314%
45
Sushiswap (Arbitrum One)
0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$0.9982
0.0000589 Btc
$2,830,206.00
2,860,599.859 0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8
0.0030%
46
Hotbit
USDC-USDT$1.001
0.0000590 Btc
$2,751,945.00
2,750,191.700 USDC
0.0029%
47
Binance US
USDC-USD$0.9999
0.0000589 Btc
$2,660,646.00
2,660,911.816 USDC
0.0028%
48
Gemini
USDC-USD$0.9997
0.0000589 Btc
$2,626,814.00
2,627,497.482 USDC
0.0028%
49
Bitget
BTC-USDC$0.9985
0.0000590 Btc
$2,612,340.00
153.579 BTC
0.0000%
50
BitMart
ETH-USDC$1.001
0.0000590 Btc
$2,612,185.00
2,050.558 ETH
0.0000%
51
Kraken
BTC-USDC$1.002
0.0000590 Btc
$2,099,640.00
123.745 BTC
0.0000%
52
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000590 Btc
$2,061,242.00
120.766 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
53
Bitstamp
USDC-USD$0.9992
0.0000589 Btc
$2,022,162.00
2,023,781.198 USDC
0.0021%
54
MEXC Global
XRP-USDC$1.001
0.0000590 Btc
$1,796,969.00
4,609,847.150 XRP
0.0048%
55
Bitstamp
USDC-EUR$1.00
0.0000590 Btc
$1,753,891.00
1,753,612.081 USDC
0.0018%
56
MEXC Global
EOS-USDC$1.001
0.0000590 Btc
$1,706,671.00
1,836,214.250 EOS
0.0019%
57
MEXC Global
BCH-USDC$1.001
0.0000590 Btc
$1,690,944.00
15,454.430 BCH
0.0000%
58
MEXC Global
LTC-USDC$0.9989
0.0000590 Btc
$1,237,862.00
16,130.650 LTC
0.0000%
59
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.006
0.0000593 Btc
$1,103,846.00
1,097,236.648 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0012%
60
MEXC Global
SOL-USDC$0.9989
0.0000590 Btc
$1,099,031.00
81,198.530 SOL
0.0001%
61
Kraken
ETH-USDC$1.002
0.0000590 Btc
$1,088,403.00
853.479 ETH
0.0000%
62
Bitget
USDC-USDT$1.00
0.0000591 Btc
$983,533.00
983,584.722 USDC
0.0010%
63
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$1.005
0.0000592 Btc
$907,241.00
707.569 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
64
MEXC Global
SHIB-USDC$1.001
0.0000590 Btc
$867,104.00
94,241,662,374.000 SHIB
99.1042%
65
MEXC Global
FTM-USDC$0.9989
0.0000590 Btc
$834,795.00
3,347,781.050 FTM
0.0035%
66
Bitget
ETH-USDC$0.9985
0.0000590 Btc
$824,373.00
645.490 ETH
0.0000%
67
Binance US
BTC-USDC$1.003
0.0000591 Btc
$807,933.00
47.630 BTC
0.0000%
68
Tidex
BTC-USDC$1.001
0.0000591 Btc
$658,566.00
38.866 BTC
0.0000%
69
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.005
0.0000592 Btc
$653,670.00
14,927.807 WEGLD-BD4D79
0.0000%
70
Coinbase Exchange
USDT-USDC$1.001
0.0000590 Btc
$643,031.00
642,585.300 USDT
0.0007%
71
Phemex
USDC-USDT$1.002
0.0000591 Btc
$637,573.00
636,390.330 USDC
0.0007%
72
MEXC Global
TRX-USDC$0.9989
0.0000590 Btc
$624,679.00
11,545,998.330 TRX
0.0121%
73
Coinbase Exchange
USDC-EUR$1.001
0.0000590 Btc
$554,937.00
554,620.670 USDC
0.0006%
74
Bitget
XRP-USDC$0.9985
0.0000590 Btc
$502,942.00
1,264,817.000 XRP
0.0013%
75
Okcoin
USDC-USD$1.001
0.0000589 Btc
$489,536.00
489,193.072 USDC
0.0005%
76
BitMart
USDC-USDT$1.002
0.0000591 Btc
$458,920.00
458,101.120 USDC
0.0005%
77
WhiteBIT
ETH-USDC$1.003
0.0000591 Btc
$411,720.00
322.264 ETH
0.0000%
78
BitMart
ADA-USDC$1.003
0.0000591 Btc
$299,629.00
952,506.000 ADA
0.0010%
79
Bitstamp
BTC-USDC$1.001
0.0000590 Btc
$278,949.00
16.375 BTC
0.0000%
80
BKEX
APE-USDC$1.003
0.0000591 Btc
$270,267.00
68,600.217 APE
0.0001%
81
KyberSwap Classic (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.001
0.0000591 Btc
$242,068.00
241,792.999 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0003%
82
MEXC Global
JASMY-USDC$0.9989
0.0000590 Btc
$239,984.00
52,607,160.960 JASMY
0.0553%
83
Bitget
BCH-USDC$0.9985
0.0000590 Btc
$223,613.00
2,013.476 BCH
0.0000%
84
Coinfield
BTC-USDC$1.001
0.0000591 Btc
$194,943.00
11.509 BTC
0.0000%
85
Coinbase Exchange
USDC-GBP$1.001
0.0000590 Btc
$193,731.00
193,570.620 USDC
0.0002%
86
Bittrex
USDC-USD$1.00
0.0000589 Btc
$173,260.00
173,258.117 USDC
0.0002%
87
Bitget
BNB-USDC$0.9985
0.0000590 Btc
$172,721.00
586.606 BNB
0.0000%
88
Bitget
ADA-USDC$0.9985
0.0000590 Btc
$168,234.00
533,627.000 ADA
0.0006%
89
BitMart
BUSD-USDC$1.003
0.0000591 Btc
$164,121.00
163,579.600 BUSD
0.0002%
90
Bitfinex
UDC-USDT$1.002
0.0000591 Btc
$154,327.00
154,044.125 UDC
0.0002%
91
BitMart
DAI-USDC$1.003
0.0000591 Btc
$143,748.00
143,273.800 DAI
0.0002%
92
CoinEx
USDC-USDT$1.002
0.0000591 Btc
$123,350.00
123,052.717 USDC
0.0001%
93
Bitget
MATIC-USDC$0.9985
0.0000590 Btc
$108,691.00
118,260.500 MATIC
0.0001%
94
Bitget
AVAX-USDC$0.9985
0.0000590 Btc
$102,027.00
7,853.260 AVAX
0.0000%
95
BKEX
ATOM-USDC$1.003
0.0000591 Btc
$95,096.00
9,175.489 ATOM
0.0000%
96
Bitget
DOGE-USDC$0.9985
0.0000590 Btc
$93,669.00
912,091.541 DOGE
0.0010%
97
Bitget
TRX-USDC$0.9985
0.0000590 Btc
$84,104.00
1,547,673.800 TRX
0.0016%
98
BKEX
SOL-USDC$1.003
0.0000591 Btc
$77,544.00
5,643.676 SOL
0.0000%
99
BKEX
NEAR-USDC$1.003
0.0000591 Btc
$51,743.00
29,891.559 NEAR
0.0000%
100
Coinsbit
USDC-USDT$1.002
0.0000591 Btc
$50,394.00
50,298.994 USDC
0.0001%

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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