Token USD Coin

Overview ERC20

Price
$1.00 @ 2.443585 GLMR (+0.01%)
Fully Diluted Market Cap
Total Supply:
51,325,747.941488 USDC

Holders:
10,185 addresses
Balance
5,706.197858 USDC

Value
$5,705.71 ( ~13,943.5728 GLMR) [0.0111%]
0xb87360a463f7e99e44bbd2359382845dcf7fb676
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Market

Volume (24H):$1,802,035,137.00
Market Capitalization:$43,298,078,331.30
Circulating Supply:43,301,767,655.00 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$1.002
0.0000591 Btc
$206,809,019.00
207,696,737.021 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.2349%
2
MEXC Global
ETH-USDC$1.001
0.0000590 Btc
$132,325,202.00
105,390.622 ETH
0.0001%
3
Kraken
USDC-USDT$1.00
0.0000590 Btc
$103,060,618.00
103,021,049.461 USDC
0.1165%
4
MEXC Global
BTC-USDC$1.001
0.0000590 Btc
$82,020,779.00
4,833.393 BTC
0.0000%
5
Bitforex
USDC-USDT$1.00
0.0000590 Btc
$66,234,275.00
66,235,037.964 USDC
0.0749%
6
Bitforex
BTC-USDC$0.9999
0.0000590 Btc
$53,693,683.00
3,165.161 BTC
0.0000%
7
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.002
0.0000591 Btc
$46,470,852.00
46,388,291.951 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0525%
8
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.00
0.0000590 Btc
$24,473,052.00
19,353.700 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
9
WhiteBIT
USDC-USDT$0.9998
0.0000590 Btc
$23,299,403.00
23,304,331.827 USDC
0.0264%
10
Huobi
USDC-USDT$1.00
0.0000590 Btc
$13,615,226.00
13,614,443.640 USDC
0.0154%
11
XT.COM
USDC-USDT$1.00
0.0000590 Btc
$13,427,825.00
13,423,027.740 USDC
0.0152%
12
BitMart
BTC-USDC$1.00
0.0000590 Btc
$12,682,728.00
747.289 BTC
0.0000%
13
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000591 Btc
$12,553,008.00
12,592,093.026 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0142%
14
BingX
BTC-USDC$1.00
0.0000590 Btc
$10,969,475.00
646.653 BTC
0.0000%
15
BKEX
ETH-USDC$1.00
0.0000590 Btc
$9,913,354.00
7,824.525 ETH
0.0000%
16
WhiteBIT
BTC-USDC$0.9999
0.0000590 Btc
$8,747,505.00
515.482 BTC
0.0000%
17
DigiFinex
USDC-USDT$1.00
0.0000590 Btc
$7,824,325.00
7,824,415.620 USDC
0.0088%
18
Bybit
ETH-USDC$0.9999
0.0000590 Btc
$7,637,691.00
6,078.565 ETH
0.0000%
19
BKEX
BTC-USDC$1.001
0.0000590 Btc
$7,538,506.00
444.301 BTC
0.0000%
20
OKX
ETH-USDC$1.00
0.0000590 Btc
$6,977,119.00
5,506.262 ETH
0.0000%
21
Bybit
USDC-USDT$0.9999
0.0000590 Btc
$5,329,377.00
5,329,971.000 USDC
0.0060%
22
DigiFinex
ETH-USDC$0.9999
0.0000590 Btc
$5,046,473.00
4,017.330 ETH
0.0000%
23
BingX
ETH-USDC$1.00
0.0000590 Btc
$4,818,602.00
3,804.382 ETH
0.0000%
24
Kraken
USDC-USD$0.9999
0.0000589 Btc
$4,617,987.00
4,618,448.644 USDC
0.0052%
25
KuCoin
USDC-USDT$0.9998
0.0000590 Btc
$3,780,083.00
3,780,845.247 USDC
0.0043%
26
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000591 Btc
$3,749,137.00
3,742,711.502 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0042%
27
OKX
BTC-USDC$0.9999
0.0000590 Btc
$3,589,388.00
211.709 BTC
0.0000%
28
Bybit
BTC-USDC$0.9999
0.0000590 Btc
$3,456,985.00
203.802 BTC
0.0000%
29
BKEX
USDC-USDT$1.001
0.0000590 Btc
$3,427,418.00
3,425,416.860 USDC
0.0039%
30
KuCoin
BTC-USDC$1.00
0.0000590 Btc
$2,935,196.00
172.950 BTC
0.0000%
31
Sushiswap (Arbitrum One)
0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$1.00
0.0000590 Btc
$2,901,825.00
2,928,986.908 0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8
0.0033%
32
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9995
0.0000589 Btc
$2,585,227.00
2,602,518.008 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0029%
33
MEXC Global
DOGE-USDC$1.001
0.0000590 Btc
$2,499,754.00
24,562,537.350 DOGE
0.0278%
34
KuCoin
ETH-USDC$1.00
0.0000590 Btc
$2,481,541.00
1,974.576 ETH
0.0000%
35
DigiFinex
BTC-USDC$0.9999
0.0000590 Btc
$2,297,460.00
135.445 BTC
0.0000%
36
BitMart
ETH-USDC$1.00
0.0000590 Btc
$2,258,704.00
1,799.936 ETH
0.0000%
37
KuCoin
USDT-USDC$1.00
0.0000590 Btc
$2,074,354.00
2,073,212.973 USDT
0.0023%
38
MEXC Global
XRP-USDC$1.001
0.0000590 Btc
$1,756,320.00
4,491,590.790 XRP
0.0051%
39
Bitget
BTC-USDC$1.00
0.0000590 Btc
$1,634,428.00
96.314 BTC
0.0000%
40
Kraken
USDC-EUR$1.001
0.0000590 Btc
$1,557,641.00
1,555,988.024 USDC
0.0018%
41
WhiteBIT
ETH-USDC$0.9999
0.0000590 Btc
$1,500,343.00
1,194.231 ETH
0.0000%
42
ZigZag (Arbitrum)
WETH-USDC$1.001
0.0000590 Btc
$1,386,668.00
1,103.070 WETH
0.0000%
43
Hotbit
USDC-USDT$0.9987
0.0000589 Btc
$1,386,653.00
1,388,470.900 USDC
0.0016%
44
Kraken
BTC-USDC$1.001
0.0000590 Btc
$1,356,183.00
79.919 BTC
0.0000%
45
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.995
0.0000587 Btc
$1,215,017.00
1,219,886.948 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0014%
46
MEXC Global
AVAX-USDC$1.001
0.0000590 Btc
$1,092,448.00
79,735.780 AVAX
0.0001%
47
MEXC Global
BCH-USDC$1.001
0.0000590 Btc
$955,032.00
8,616.820 BCH
0.0000%
48
MEXC Global
EOS-USDC$1.001
0.0000590 Btc
$925,057.00
997,117.070 EOS
0.0011%
49
Binance US
USDC-USD$1.00
0.0000589 Btc
$901,208.00
901,208.494 USDC
0.0010%
50
Kraken
ETH-USDC$1.001
0.0000590 Btc
$895,804.00
712.576 ETH
0.0000%
51
MEXC Global
SOL-USDC$1.001
0.0000590 Btc
$892,789.00
66,186.810 SOL
0.0001%
52
Bitget
ETH-USDC$1.00
0.0000590 Btc
$868,234.00
683.934 ETH
0.0000%
53
MEXC Global
SHIB-USDC$1.001
0.0000590 Btc
$815,818.00
87,832,653,997.000 SHIB
99.3441%
54
KyberSwap Elastic (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0000590 Btc
$806,591.00
806,280.391 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0009%
55
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000591 Btc
$744,950.00
44.022 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
56
Bitget
USDC-USDT$1.00
0.0000590 Btc
$729,130.00
728,996.348 USDC
0.0008%
57
Gemini
USDC-USD$0.9993
0.0000589 Btc
$624,697.00
625,116.302 USDC
0.0007%
58
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$0.9995
0.0000589 Btc
$611,994.00
610,929.971 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0007%
59
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000591 Btc
$565,252.00
562,186.036 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0006%
60
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.00
0.0000590 Btc
$546,711.00
12,510.155 WEGLD-BD4D79
0.0000%
61
Tidex
USDC-USDT$1.001
0.0000590 Btc
$522,925.00
522,618.392 USDC
0.0006%
62
BitMart
USDC-USDT$1.00
0.0000590 Btc
$481,551.00
481,397.380 USDC
0.0005%
63
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$0.9977
0.0000588 Btc
$459,779.00
365.318 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
64
Bitget
XRP-USDC$1.00
0.0000590 Btc
$434,586.00
1,110,585.000 XRP
0.0013%
65
Tidex
BTC-USDC$1.001
0.0000590 Btc
$429,098.00
25.278 BTC
0.0000%
66
MEXC Global
TRX-USDC$1.001
0.0000590 Btc
$404,198.00
7,485,305.610 TRX
0.0085%
67
Bitget
LTC-USDC$1.00
0.0000590 Btc
$400,627.00
5,228.391 LTC
0.0000%
68
MEXC Global
FTM-USDC$1.001
0.0000590 Btc
$397,564.00
1,648,315.260 FTM
0.0019%
69
Velodrome Finance
0X8C6F28F2F1A3C87F0F938B96D27520D9751EC8D9-0X7F5C764CBC14F9669B88837CA1490CCA17C31607$1.00
0.0000590 Btc
$337,926.00
336,038.991 0X8C6F28F2F1A3C87F0F938B96D27520D9751EC8D9
0.0004%
70
Bitget
BCH-USDC$1.00
0.0000590 Btc
$310,156.00
2,791.072 BCH
0.0000%
71
Uniswap (v3)
0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000591 Btc
$286,170.00
272,288.948 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8
0.0003%
72
BKEX
APE-USDC$1.001
0.0000590 Btc
$280,246.00
70,783.842 APE
0.0001%
73
BitMart
ADA-USDC$1.00
0.0000590 Btc
$269,907.00
837,260.000 ADA
0.0009%
74
Bibox
USDC-USDT$1.00
0.0000590 Btc
$265,511.00
265,470.000 USDC
0.0003%
75
Coinbase Exchange
USDT-USDC$1.00
0.0000590 Btc
$261,843.00
261,756.120 USDT
0.0003%
76
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$0.9982
0.0000589 Btc
$256,954.00
256,614.361 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0003%
77
Coinfield
BTC-USDC$1.001
0.0000590 Btc
$228,091.00
13.442 BTC
0.0000%
78
Bitget
BNB-USDC$1.00
0.0000590 Btc
$166,753.00
572.192 BNB
0.0000%
79
Bybit
BIT-USDC$1.00
0.0000590 Btc
$159,900.00
520,084.390 BIT
0.0006%
80
Bitget
ADA-USDC$1.00
0.0000590 Btc
$159,593.00
496,256.000 ADA
0.0006%
81
Bitfinex
UDC-USDT$1.00
0.0000590 Btc
$158,930.00
158,889.927 UDC
0.0002%
82
Independent Reserve
USDC-AUD$1.001
0.0000590 Btc
$152,694.00
152,579.058 USDC
0.0002%
83
BitMart
DAI-USDC$1.00
0.0000590 Btc
$148,884.00
148,874.400 DAI
0.0002%
84
BitMart
BUSD-USDC$1.00
0.0000590 Btc
$146,106.00
146,099.400 BUSD
0.0002%
85
Bitvavo
USDC-EUR$0.9995
0.0000589 Btc
$140,623.00
140,690.500 USDC
0.0002%
86
Bitget
MATIC-USDC$1.00
0.0000590 Btc
$137,180.00
149,191.600 MATIC
0.0002%
87
Bitstamp
USDC-USD$0.9991
0.0000589 Btc
$119,690.00
119,793.155 USDC
0.0001%
88
CoinEx
USDC-USDT$1.001
0.0000590 Btc
$113,496.00
113,434.534 USDC
0.0001%
89
Bitget
AVAX-USDC$1.00
0.0000590 Btc
$98,528.00
7,263.060 AVAX
0.0000%
90
Bitget
DOGE-USDC$1.00
0.0000590 Btc
$88,436.00
877,464.021 DOGE
0.0010%
91
Bitget
TRX-USDC$1.00
0.0000590 Btc
$85,300.00
1,581,557.400 TRX
0.0018%
92
BKEX
ATOM-USDC$1.001
0.0000590 Btc
$82,837.00
8,131.359 ATOM
0.0000%
93
BKEX
SOL-USDC$1.00
0.0000590 Btc
$78,169.00
5,778.802 SOL
0.0000%
94
Bitstamp
USDC-EUR$1.001
0.0000590 Btc
$73,389.00
73,329.449 USDC
0.0001%
95
Bitget
EOS-USDC$1.00
0.0000590 Btc
$71,542.00
76,661.400 EOS
0.0001%
96
BKEX
NEAR-USDC$1.00
0.0000590 Btc
$53,999.00
31,693.203 NEAR
0.0000%
97
BitMart
MATIC-USDC$1.001
0.0000590 Btc
$49,500.00
54,237.200 MATIC
0.0001%
98
KuCoin
BUSD-USDC$1.001
0.0000590 Btc
$45,625.00
45,590.066 BUSD
0.0001%
99
Coinsbit
USDC-USDT$0.9999
0.0000590 Btc
$39,675.00
39,679.207 USDC
0.0000%
100
Bitstamp
BTC-USDC$1.001
0.0000590 Btc
$18,102.07
1.066 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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