ETH Price: $2,488.80 (-0.86%)
Gas: 3.31 Gwei

Token

EURC (EURC)
 

Overview

Max Total Supply

35,716,946.64 EURC

Holders

3,774 ( 0.238%)

Market

Price

$1.08 @ 0.000434 ETH (-0.22%)

Onchain Market Cap

$38,610,019.32

Circulating Supply Market Cap

$93,915,641.00

Other Info

Token Contract (WITH 6 Decimals)

Balance
215.840001 EURC

Value
$233.32 ( ~0.09374791191378 Eth) [0.0006%]
0xf43b7f8d4743446511384836bee38a0a3e8175b5
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OVERVIEW

EURC is a euro-backed stablecoin issued by Circle. EURC is designed to provide a faster, safer, and more efficient way to send, spend, and exchange money around the world.

Market

Volume (24H):$21,074,543.00
Market Capitalization:$93,915,641.00
Circulating Supply:86,785,279.00 EURC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Aerodrome SlipStream
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.08
0.0004346 Eth
$6,862,269.00
6,354,453.784 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
23.3651%
2
Alien Base V3
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.081
0.0004350 Eth
$3,645,782.00
3,369,667.073 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
12.3901%
3
Aerodrome SlipStream
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006$1.08
0.0004346 Eth
$3,282,314.00
3,043,428.337 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
11.1906%
4
Coinbase Exchange
EURC-USDC$1.081
0.0004348 Eth
$1,861,254.00
1,721,865.000 EURC
6.3312%
5
PancakeSwap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.081
0.0004348 Eth
$1,698,882.00
1,570,125.972 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
5.7733%
6
Raydium (CLMM)
EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR$1.082
0.0004351 Eth
$1,553,719.00
1,554,843.843 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V
5.7171%
7
BaseSwap V3
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.081
0.0004347 Eth
$650,782.00
601,738.724 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
2.2126%
8
BitMart
EURC-USDT$1.079
0.0004339 Eth
$317,760.00
294,418.400 EURC
1.0826%
9
HTX
EUROC-USDT$1.077
0.0004332 Eth
$205,527.00
190,847.213 EUROC
0.7017%
10
Aerodrome SlipStream
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF$1.08
0.0004347 Eth
$161,079.00
149,519.324 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.5498%
11
BitMart
EURC-USDC$1.078
0.0004337 Eth
$149,699.00
138,851.400 EURC
0.5106%
12
Dexalot
EURC-USDC$1.081
0.0004336 Eth
$131,351.00
121,301.104 EURC
0.4460%
13
Aerodrome SlipStream
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XB79DD08EA68A908A97220C76D19A6AA9CBDE4376$1.08
0.0004346 Eth
$101,037.00
93,510.311 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.3438%
14
Solidly V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.081
0.0004347 Eth
$99,054.00
91,582.277 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.3367%
15
LFJ V2.1 (Avalanche)
0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.082
0.0004353 Eth
$97,735.00
90,247.589 0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD
0.3318%
16
SwapBased V3
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.082
0.0004351 Eth
$96,274.00
88,949.430 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.3271%
17
Aerodrome (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006$1.085
0.0004363 Eth
$36,629.00
33,915.816 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.1247%
18
PancakeSwap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006$1.08
0.0004343 Eth
$33,119.00
30,750.886 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.1131%
19
Matcha (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.083
0.0004349 Eth
$17,543.78
16,178.304 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0595%
20
Uniswap V3 (Ethereum)
0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.083
0.0004357 Eth
$12,633.18
11,668.349 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C
0.0429%
21
Uniswap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.08
0.0004346 Eth
$7,913.44
7,315.600 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0269%
22
Aerodrome (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.085
0.0004363 Eth
$7,821.95
7,237.196 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0266%
23
OKX
EURC-USDC$1.08
0.0004346 Eth
$4,440.36
4,105.923 EURC
0.0151%
24
Bit2Me
EURC-USDC$1.081
0.0004346 Eth
$4,352.02
4,023.804 EURC
0.0148%
25
Uniswap V3 (Ethereum)
0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0X820802FA8A99901F52E39ACD21177B0BE6EE2974$1.089
0.0004345 Eth
$2,733.28
2,510.575 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C
0.0092%
26
Bitvavo
EUROC-EUR$1.089
0.0004369 Eth
$2,619.65
2,406.095 EUROC
0.0088%
27
DeFiChain DEX
EUROC-DFI$1.31
0.0005254 Eth
$2,547.63
1,945.232 EUROC
0.0072%
28
Uniswap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.087
0.0004304 Eth
$2,331.40
2,144.772 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0079%
29
Curve (Ethereum)
0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8-0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C$1.081
0.0004348 Eth
$2,226.32
2,060.275 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8
0.0076%
30
Matcha (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XD9AAEC86B65D86F6A7B5B1B0C42FFA531710B6CA$1.08
0.0004132 Eth
$2,162.16
1,999.983 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0074%
31
StellarTerm
EURC-GDHU6WRG4IEQXM5NZ4BMPKOXHW76MZM4Y2IEMFDVXBSDP6SJY4ITNPP2-XLM$1.087
0.0004362 Eth
$1,624.91
1,494.852 EURC-GDHU6WRG4IEQXM5NZ4BMPKOXHW76MZM4Y2IEMFDVXBSDP6SJY4ITNPP2
0.0055%
32
Uniswap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.081
0.0004349 Eth
$1,131.36
1,046.262 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0038%
33
Raydium (CLMM)
4EB7REET936HX25KMBFYTYP1RWDDD9IIXEWGJROACELC-HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR$1.082
0.0004355 Eth
$797.12
7,593,018.392 4EB7REET936HX25KMBFYTYP1RWDDD9IIXEWGJROACELC
27.9192%
34
Curve (Ethereum)
0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8-0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C$1.086
0.0004074 Eth
$486.18
447.682 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8
0.0016%
35
Orca
EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR$1.081
0.0004350 Eth
$372.67
372.842 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V
0.0014%
36
Mercado Bitcoin
EURC-BRL$1.091
0.0004387 Eth
$370.95
339.942 EURC
0.0012%
37
Uniswap V3 (Base)
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XFB18511F1590A494360069F3640C27D55C2B5290$1.083
0.0004357 Eth
$355.57
329.631 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0012%
38
Meteora
HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.082
0.0004348 Eth
$205.75
190.042 HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR
0.0007%
39
CEX.IO
EUROC-USDT$1.08
0.0004345 Eth
$81.68
75.588 EUROC
0.0003%
40
Aerodrome SlipStream
0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XFB18511F1590A494360069F3640C27D55C2B5290$1.083
0.0004354 Eth
$63.41
58.740 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42
0.0002%
41
DeFiChain DEX
EUROC-DUSD$1.57
0.0006311 Eth
$36.08
22.940 EUROC
0.0001%
42
CEX.IO
EUROC-USD$1.081
0.0004333 Eth
$25.81
23.902 EUROC
0.0001%
43
CEX.IO
EUROC-EUR$1.086
0.0004369 Eth
$24.29
22.360 EUROC
0.0001%
44
Meteora
HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.082
0.0004348 Eth
$24.24
22.382 HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR
0.0001%
45
Bitstamp
EUROC-EUR$1.082
0.0004354 Eth
$24.20
22.360 EUROC
0.0001%
46
Bitstamp
EUROC-USDC$0.9897
0.0003687 Eth
$20.65
20.870 EUROC
0.0001%
47
VALR
EURC-USDC$1.081
0.0004349 Eth
$12.45
11.510 EURC
0.0000%
48
VALR
EURC-ZAR$1.099
0.0004409 Eth
$5.38
4.890 EURC
0.0000%
49
VALR
BTC-EURC$1.079
0.0004338 Eth
$4.79
0.000 BTC
0.0000%

Contract Source Code Verified (Exact Match)

Contract Name:
FiatTokenProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 10000000 runs

Other Settings:
default evmVersion
File 1 of 5 : FiatTokenProxy.sol
/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2018-2020 CENTRE SECZ
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

pragma solidity 0.6.12;

import {
    AdminUpgradeabilityProxy
} from "../upgradeability/AdminUpgradeabilityProxy.sol";

/**
 * @title FiatTokenProxy
 * @dev This contract proxies FiatToken calls and enables FiatToken upgrades
 */
contract FiatTokenProxy is AdminUpgradeabilityProxy {
    constructor(address implementationContract)
        public
        AdminUpgradeabilityProxy(implementationContract)
    {}
}

File 2 of 5 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.6.2;

/**
 * @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) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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);
            }
        }
    }
}

File 3 of 5 : UpgradeabilityProxy.sol
/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2018 zOS Global Limited.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

pragma solidity 0.6.12;

import { Proxy } from "./Proxy.sol";
import { Address } from "@openzeppelin/contracts/utils/Address.sol";

/**
 * @notice This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/UpgradeabilityProxy.sol
 * Modifications:
 * 1. Reformat, conform to Solidity 0.6 syntax, and add error messages (5/13/20)
 * 2. Use Address utility library from the latest OpenZeppelin (5/13/20)
 */
contract UpgradeabilityProxy is Proxy {
    /**
     * @dev Emitted when the implementation is upgraded.
     * @param implementation Address of the new implementation.
     */
    event Upgraded(address implementation);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is
     * validated in the constructor.
     */
    bytes32
        private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3;

    /**
     * @dev Contract constructor.
     * @param implementationContract Address of the initial implementation.
     */
    constructor(address implementationContract) public {
        assert(
            IMPLEMENTATION_SLOT ==
                keccak256("org.zeppelinos.proxy.implementation")
        );

        _setImplementation(implementationContract);
    }

    /**
     * @dev Returns the current implementation.
     * @return impl Address of the current implementation
     */
    function _implementation() internal override view returns (address impl) {
        bytes32 slot = IMPLEMENTATION_SLOT;
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     * @param newImplementation Address of the new implementation.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Sets the implementation address of the proxy.
     * @param newImplementation Address of the new implementation.
     */
    function _setImplementation(address newImplementation) private {
        require(
            Address.isContract(newImplementation),
            "Cannot set a proxy implementation to a non-contract address"
        );

        bytes32 slot = IMPLEMENTATION_SLOT;

        assembly {
            sstore(slot, newImplementation)
        }
    }
}

File 4 of 5 : Proxy.sol
/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2018 zOS Global Limited.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

pragma solidity 0.6.12;

/**
 * @notice Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/Proxy.sol
 * Modifications:
 * 1. Reformat and conform to Solidity 0.6 syntax (5/13/20)
 */
abstract contract Proxy {
    /**
     * @dev Fallback function.
     * Implemented entirely in `_fallback`.
     */
    fallback() external payable {
        _fallback();
    }

    /**
     * @return The Address of the implementation.
     */
    function _implementation() internal virtual view returns (address);

    /**
     * @dev Delegates execution to an implementation contract.
     * This is a low level function that doesn't return to its internal call site.
     * It will return to the external caller whatever the implementation returns.
     * @param implementation Address to delegate.
     */
    function _delegate(address implementation) internal {
        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())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(
                gas(),
                implementation,
                0,
                calldatasize(),
                0,
                0
            )

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
                // delegatecall returns 0 on error.
                case 0 {
                    revert(0, returndatasize())
                }
                default {
                    return(0, returndatasize())
                }
        }
    }

    /**
     * @dev Function that is run as the first thing in the fallback function.
     * Can be redefined in derived contracts to add functionality.
     * Redefinitions must call super._willFallback().
     */
    function _willFallback() internal virtual {}

    /**
     * @dev fallback implementation.
     * Extracted to enable manual triggering.
     */
    function _fallback() internal {
        _willFallback();
        _delegate(_implementation());
    }
}

File 5 of 5 : AdminUpgradeabilityProxy.sol
/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2018 zOS Global Limited.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

pragma solidity 0.6.12;

import { UpgradeabilityProxy } from "./UpgradeabilityProxy.sol";

/**
 * @notice This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/AdminUpgradeabilityProxy.sol
 * Modifications:
 * 1. Reformat, conform to Solidity 0.6 syntax, and add error messages (5/13/20)
 * 2. Remove ifAdmin modifier from admin() and implementation() (5/13/20)
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
    /**
     * @dev Emitted when the administration has been transferred.
     * @param previousAdmin Address of the previous admin.
     * @param newAdmin Address of the new admin.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is
     * validated in the constructor.
     */
    bytes32
        private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b;

    /**
     * @dev Modifier to check whether the `msg.sender` is the admin.
     * If it is, it will run the function. Otherwise, it will delegate the call
     * to the implementation.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Contract constructor.
     * It sets the `msg.sender` as the proxy administrator.
     * @param implementationContract address of the initial implementation.
     */
    constructor(address implementationContract)
        public
        UpgradeabilityProxy(implementationContract)
    {
        assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin"));

        _setAdmin(msg.sender);
    }

    /**
     * @return The address of the proxy admin.
     */
    function admin() external view returns (address) {
        return _admin();
    }

    /**
     * @return The address of the implementation.
     */
    function implementation() external view returns (address) {
        return _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     * Only the current admin can call this function.
     * @param newAdmin Address to transfer proxy administration to.
     */
    function changeAdmin(address newAdmin) external ifAdmin {
        require(
            newAdmin != address(0),
            "Cannot change the admin of a proxy to the zero address"
        );
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy.
     * Only the admin can call this function.
     * @param newImplementation Address of the new implementation.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy and call a function
     * on the new implementation.
     * This is useful to initialize the proxied contract.
     * @param newImplementation Address of the new implementation.
     * @param data Data to send as msg.data in the low level call.
     * It should include the signature and the parameters of the function to be
     * called, as described in
     * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data)
        external
        payable
        ifAdmin
    {
        _upgradeTo(newImplementation);
        // prettier-ignore
        // solhint-disable-next-line avoid-low-level-calls
        (bool success,) = address(this).call{value: msg.value}(data);
        // solhint-disable-next-line reason-string
        require(success);
    }

    /**
     * @return adm The admin slot.
     */
    function _admin() internal view returns (address adm) {
        bytes32 slot = ADMIN_SLOT;

        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Sets the address of the proxy admin.
     * @param newAdmin Address of the new proxy admin.
     */
    function _setAdmin(address newAdmin) internal {
        bytes32 slot = ADMIN_SLOT;

        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Only fall back when the sender is not the admin.
     */
    function _willFallback() internal override {
        require(
            msg.sender != _admin(),
            "Cannot call fallback function from the proxy admin"
        );
        super._willFallback();
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 10000000
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"implementationContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000a2327a938febf5fec13bacfb16ae10ecbc4cbdcf

-----Decoded View---------------
Arg [0] : implementationContract (address): 0xa2327a938Febf5FEC13baCFb16Ae10EcBc4cbDCF

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a2327a938febf5fec13bacfb16ae10ecbc4cbdcf


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