Token USD Coin

Overview ERC20

Price
$1.00 @ 2.789840 GLMR (+0.05%)
Fully Diluted Market Cap
Total Supply:
51,319,681.161375 USDC

Holders:
10,166 addresses
Balance
10.799154 USDC

Value
$10.81 ( ~30.1403 GLMR) [0.0000%]
0x1bdfb4a38a38ab3dc2fb2b3d40621d405f79a024
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Market

Volume (24H):$3,007,910,380.40
Market Capitalization:$43,297,646,511.59
Circulating Supply:43,271,941,423.00 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
0.0000596 Btc
$290,764,340.00
276,417,428.066 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.1739%
2
MEXC Global
ETH-USDC$0.9995
0.0000594 Btc
$153,233,233.00
120,170.657 ETH
0.0001%
3
Kraken
USDC-USDT$0.9998
0.0000594 Btc
$137,295,600.00
137,322,653.840 USDC
0.0864%
4
Kraken
USDC-USD$0.9999
0.0000594 Btc
$129,181,228.00
129,194,147.735 USDC
0.0813%
5
Bitforex
USDC-USDT$1.00
0.0000594 Btc
$103,747,507.00
103,752,123.025 USDC
0.0653%
6
MEXC Global
BTC-USDC$0.9995
0.0000594 Btc
$103,558,046.00
6,164.168 BTC
0.0000%
7
Bitforex
BTC-USDC$0.9996
0.0000594 Btc
$89,273,218.00
5,298.771 BTC
0.0000%
8
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.002
0.0000596 Btc
$64,011,473.00
63,864,345.478 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0402%
9
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000596 Btc
$42,717,925.00
40,783,140.646 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0257%
10
Uniswap (Arbitrum One)
0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.013
0.0000602 Btc
$42,079,266.00
34,204.580 0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1
0.0000%
11
Huobi
USDC-USDT$1.001
0.0000595 Btc
$26,613,701.00
26,594,757.171 USDC
0.0167%
12
Kraken
USDC-EUR$0.9996
0.0000594 Btc
$25,583,741.00
25,593,771.152 USDC
0.0161%
13
BitMart
BTC-USDC$1.003
0.0000596 Btc
$22,073,569.00
1,307.478 BTC
0.0000%
14
Hotbit
USDC-USDT$0.9982
0.0000594 Btc
$21,000,419.00
21,039,299.570 USDC
0.0132%
15
XT.COM
USDC-USDT$1.001
0.0000595 Btc
$18,105,245.00
18,091,264.470 USDC
0.0114%
16
BKEX
BTC-USDC$0.9995
0.0000594 Btc
$17,371,270.00
1,056.237 BTC
0.0000%
17
DigiFinex
USDC-USDT$1.00
0.0000594 Btc
$16,107,780.00
16,106,886.178 USDC
0.0101%
18
P2B
USDC-BUSD$1.003
0.0000596 Btc
$15,128,291.00
15,086,868.500 USDC
0.0095%
19
WhiteBIT
USDC-USDT$1.001
0.0000607 Btc
$15,004,565.00
14,989,105.810 USDC
0.0094%
20
P2B
USDC-USDT$0.9999
0.0000594 Btc
$14,981,259.00
14,983,423.000 USDC
0.0094%
21
BKEX
ETH-USDC$0.9986
0.0000605 Btc
$14,677,366.00
12,146.225 ETH
0.0000%
22
BingX
BTC-USDC$1.003
0.0000596 Btc
$14,611,294.00
886.240 BTC
0.0000%
23
DigiFinex
ETH-USDC$0.9996
0.0000594 Btc
$12,110,928.00
9,468.190 ETH
0.0000%
24
OKX
ETH-USDC$1.003
0.0000596 Btc
$11,603,731.00
9,520.209 ETH
0.0000%
25
OKX
USDC-USDT$0.9997
0.0000594 Btc
$11,124,825.00
11,127,827.249 USDC
0.0070%
26
Bybit
BTC-USDC$0.9967
0.0000593 Btc
$10,997,283.00
658.288 BTC
0.0000%
27
WhiteBIT
BTC-USDC$0.9996
0.0000594 Btc
$10,261,382.00
609.166 BTC
0.0000%
28
OKX
BTC-USDC$1.003
0.0000596 Btc
$9,109,746.00
552.010 BTC
0.0000%
29
KuCoin
USDC-USDT$1.00
0.0000594 Btc
$8,788,152.00
8,786,259.110 USDC
0.0055%
30
Bybit
USDC-USDT$1.002
0.0000608 Btc
$8,701,447.00
8,681,913.520 USDC
0.0055%
31
BKEX
USDC-USDT$1.001
0.0000595 Btc
$8,007,526.00
8,001,313.943 USDC
0.0050%
32
MEXC Global
AVAX-USDC$0.9967
0.0000593 Btc
$7,384,415.00
577,308.230 AVAX
0.0004%
33
DigiFinex
BTC-USDC$0.9996
0.0000594 Btc
$7,356,786.00
436.787 BTC
0.0000%
34
KuCoin
BTC-USDC$0.9996
0.0000594 Btc
$6,842,809.00
406.193 BTC
0.0000%
35
Uniswap (v3)
0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000596 Btc
$6,662,979.00
6,647,349.253 0X6B175474E89094C44DA98B954EEDEAC495271D0F
0.0042%
36
MEXC Global
DOGE-USDC$0.9995
0.0000594 Btc
$6,375,070.00
58,831,162.680 DOGE
0.0370%
37
BingX
ETH-USDC$1.003
0.0000596 Btc
$6,047,478.00
4,972.784 ETH
0.0000%
38
Uniswap (v2)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$0.9965
0.0000592 Btc
$5,240,968.00
5,019,862.857 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0032%
39
KuCoin
USDT-USDC$0.9996
0.0000594 Btc
$4,814,479.00
4,820,479.448 USDT
0.0030%
40
WhiteBIT
ETH-USDC$0.9996
0.0000594 Btc
$4,737,752.00
3,706.906 ETH
0.0000%
41
BitMart
ETH-USDC$1.003
0.0000596 Btc
$4,700,065.00
3,677.412 ETH
0.0000%
42
Sushiswap
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.005
0.0000597 Btc
$4,332,546.00
4,130,957.990 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0026%
43
BingX
USDC-USDT$1.00
0.0000607 Btc
$4,323,124.00
4,322,220.389 USDC
0.0027%
44
Gemini
USDC-USD$0.9999
0.0000594 Btc
$3,427,275.00
3,427,652.020 USDC
0.0022%
45
MEXC Global
USDC-USDT$1.001
0.0000608 Btc
$3,419,492.00
3,415,171.690 USDC
0.0021%
46
Uniswap (v3)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000596 Btc
$3,039,989.00
183.148 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
47
Binance US
USDC-USD$0.9998
0.0000594 Btc
$2,771,105.00
2,771,659.322 USDC
0.0017%
48
ZigZag (Arbitrum)
WETH-USDC$1.003
0.0000596 Btc
$2,664,959.00
2,186.400 WETH
0.0000%
49
MEXC Global
XRP-USDC$0.9995
0.0000594 Btc
$2,601,673.00
6,388,675.240 XRP
0.0040%
50
Bitget
BTC-USDC$0.9956
0.0000593 Btc
$2,527,771.00
154.591 BTC
0.0000%
51
Kraken
ETH-USDC$1.003
0.0000596 Btc
$2,322,576.00
1,809.497 ETH
0.0000%
52
Kraken
BTC-USDC$1.003
0.0000596 Btc
$2,002,774.00
118.569 BTC
0.0000%
53
MEXC Global
BCH-USDC$0.9956
0.0000593 Btc
$1,964,090.00
17,392.770 BCH
0.0000%
54
MEXC Global
EOS-USDC$0.9995
0.0000594 Btc
$1,874,276.00
1,992,336.890 EOS
0.0013%
55
Uniswap (v3)
0X853D955ACEF822DB058EB8505911ED77F175B99E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.002
0.0000596 Btc
$1,728,072.00
1,724,798.347 0X853D955ACEF822DB058EB8505911ED77F175B99E
0.0011%
56
MEXC Global
SHIB-USDC$0.9995
0.0000594 Btc
$1,476,973.00
157,916,865,399.000 SHIB
99.3305%
57
Coinbase Exchange
USDT-USDC$0.9996
0.0000594 Btc
$1,427,284.00
1,428,415.610 USDT
0.0009%
58
MEXC Global
SOL-USDC$0.9967
0.0000593 Btc
$1,331,039.00
97,153.730 SOL
0.0001%
59
Uniswap (v3)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$1.002
0.0000596 Btc
$1,302,954.00
1,253,084.855 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0008%
60
PancakeSwap (v2)
0X2170ED0880AC9A755FD29B2688956BD959F933F8-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$1.008
0.0000599 Btc
$1,059,905.00
862.058 0X2170ED0880AC9A755FD29B2688956BD959F933F8
0.0000%
61
Bibox
ETH-USDC$0.9996
0.0000594 Btc
$922,832.00
722.000 ETH
0.0000%
62
Bitget
ETH-USDC$0.9995
0.0000594 Btc
$825,537.00
682.616 ETH
0.0000%
63
Bitget
USDC-USDT$1.001
0.0000608 Btc
$805,914.00
805,032.089 USDC
0.0005%
64
Tidex
BTC-USDC$0.9996
0.0000594 Btc
$790,406.00
46.988 BTC
0.0000%
65
MEXC Global
ADA-USDC$0.9995
0.0000594 Btc
$748,554.00
2,354,281.030 ADA
0.0015%
66
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$0.9997
0.0000606 Btc
$669,114.00
666,982.806 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0004%
67
Coinbase Exchange
USDC-EUR$0.9989
0.0000594 Btc
$664,716.00
665,422.650 USDC
0.0004%
68
MEXC Global
FTM-USDC$0.9995
0.0000594 Btc
$655,887.00
2,892,053.490 FTM
0.0018%
69
BKEX
LTC-USDC$0.9956
0.0000593 Btc
$643,468.00
8,471.194 LTC
0.0000%
70
Bitstamp
USDC-USD$0.9995
0.0000594 Btc
$629,892.00
630,207.202 USDC
0.0004%
71
BitMart
DAI-USDC$0.9986
0.0000605 Btc
$534,083.00
534,943.200 DAI
0.0003%
72
BitMart
USDC-USDT$0.9996
0.0000594 Btc
$493,994.00
494,178.840 USDC
0.0003%
73
Maiar
WEGLD-BD4D79-USDC-C76F1F$1.015
0.0000603 Btc
$489,609.00
11,360.978 WEGLD-BD4D79
0.0000%
74
Bitstamp
USDC-EUR$0.9982
0.0000593 Btc
$440,877.00
441,676.079 USDC
0.0003%
75
BitMart
ADA-USDC$0.9996
0.0000594 Btc
$399,163.00
1,258,280.000 ADA
0.0008%
76
Bitfinex
UDC-USDT$0.9997
0.0000594 Btc
$384,249.00
384,381.241 UDC
0.0002%
77
Coinfield
BTC-USDC$0.9996
0.0000594 Btc
$383,474.00
22.784 BTC
0.0000%
78
Coinbase Exchange
USDC-GBP$0.9995
0.0000594 Btc
$363,935.00
364,117.930 USDC
0.0002%
79
Okcoin
USDC-USD$0.9998
0.0000594 Btc
$355,690.00
355,761.552 USDC
0.0002%
80
Bitget
BCH-USDC$0.9995
0.0000594 Btc
$335,612.00
3,011.148 BCH
0.0000%
81
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-USDT$1.003
0.0000596 Btc
$294,695.00
294,606.716 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0002%
82
Phemex
USDC-USDT$0.9998
0.0000594 Btc
$265,505.00
265,564.470 USDC
0.0002%
83
MEXC Global
BNB-USDC$0.9995
0.0000594 Btc
$231,466.00
765.930 BNB
0.0000%
84
Bitget
BNB-USDC$0.9995
0.0000594 Btc
$185,397.00
620.416 BNB
0.0000%
85
Bitstamp
BTC-USDC$1.003
0.0000596 Btc
$175,493.00
10.418 BTC
0.0000%
86
CoinJar Exchange
USDC-AUD$0.9998
0.0000594 Btc
$174,282.00
174,317.940 USDC
0.0001%
87
MEXC Global
ALGO-USDC$0.9967
0.0000593 Btc
$165,808.00
673,486.670 ALGO
0.0004%
88
Bitget
ADA-USDC$0.9956
0.0000593 Btc
$155,273.00
503,875.000 ADA
0.0003%
89
BKEX
ATOM-USDC$0.9956
0.0000593 Btc
$110,885.00
11,020.244 ATOM
0.0000%
90
Bitget
TRX-USDC$0.9986
0.0000605 Btc
$103,473.00
1,932,869.900 TRX
0.0012%
91
BKEX
SOL-USDC$1.003
0.0000596 Btc
$92,448.00
6,818.682 SOL
0.0000%
92
CoinEx
USDC-USDT$1.001
0.0000608 Btc
$85,118.00
85,020.416 USDC
0.0001%
93
Bitget
DOGE-USDC$0.9986
0.0000605 Btc
$83,633.00
820,844.809 DOGE
0.0005%
94
MEXC Global
WBTC-USDC$1.003
0.0000596 Btc
$77,771.00
4.624 WBTC
0.0000%
95
MEXC Global
OP-USDC$1.001
0.0000608 Btc
$76,460.00
84,484.100 OP
0.0001%
96
Bitget
EOS-USDC$0.9995
0.0000594 Btc
$70,653.00
77,188.000 EOS
0.0000%
97
MEXC Global
FIL-USDC$1.003
0.0000596 Btc
$68,736.00
15,417.655 FIL
0.0000%
98
MEXC Global
PAXG-USDC$1.002
0.0000608 Btc
$48,158.00
27.657 PAXG
0.0000%
99
Coinsbit
USDC-USDT$0.9999
0.0000594 Btc
$46,376.00
46,379.490 USDC
0.0000%
100
MojitoSwap
0X0039F574EE5CC39BDD162E9A88E3EB1F111BAF48-0X980A5AFEF3D17AD98635F6C5AEBCBAEDED3C3430$1.001
0.0000595 Btc
$46,201.00
46,265.853 0X0039F574EE5CC39BDD162E9A88E3EB1F111BAF48
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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