Token Bridged USDC
Circle has introduced Native USDC to Arbitrum. While Bridged USDC will function on Arbitrum, it won't be fungible with Circle's native smart contract.
Overview ERC20
Price
$1.00 @ 0.000631 ETH (-0.04%)
Fully Diluted Market Cap
Total Supply:
658,790,712.362318 USDC.e
Holders:
619,631 addresses
Contract:
Decimals:
6
Official Site:
Balance
4,627.233916 USDC.eValue
$4,631.86 ( ~2.9220 ETH) [0.0007%]
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OVERVIEW
This is a bridged USDC token deployed by Arbitrum Foundation.Market
Volume (24H) | : | $3,946,046,040.00 |
Market Capitalization | : | $25,602,337,085.00 |
Circulating Supply | : | 25,602,487,402.00 USDC.e |
Market Data Source: Coinmarketcap |
Update? Click here to update the token ICO / general information
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $234,155,763.00 234,204,321.000 USDC | 43.3192% |
2 | ![]() | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $190,772,123.00 120,053.928 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0222% |
3 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $172,449,165.00 6,560.324 BTC | 0.0012% |
4 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $80,630,200.00 3,065.682 BTC | 0.0006% |
5 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.001 0.0000382 Btc | $72,149,853.00 72,096,422.584 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 13.3352% |
6 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $69,548,527.00 43,759.322 ETH | 0.0081% |
7 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $34,667,000.00 21,856.136 ETH | 0.0040% |
8 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0000382 Btc | $34,354,619.00 34,346,178.976 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 6.3528% |
9 | ![]() | 0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $32,614,803.00 32,596,424.451 0X6B175474E89094C44DA98B954EEDEAC495271D0F | 6.0291% |
10 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $28,759,863.00 18,084.490 ETH | 0.0033% |
11 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $24,809,849.00 947.101 BTC | 0.0002% |
12 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $24,023,569.00 24,021,491.670 USDC | 4.4431% |
13 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $20,919,197.00 798.966 BTC | 0.0001% |
14 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $20,550,073.00 12,953.128 ETH | 0.0024% |
15 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0000382 Btc | $19,769,504.00 19,763,828.401 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 3.6556% |
16 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $17,306,068.00 660.939 BTC | 0.0001% |
17 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $13,425,422.00 8,457.936 ETH | 0.0016% |
18 | ![]() | USDC-USD | $1.00 0.0000382 Btc | $13,232,183.00 13,232,183.148 USDC | 2.4475% |
19 | ![]() | USDC-EUR | $0.9992 0.0000382 Btc | $12,676,667.00 12,686,622.453 USDC | 2.3466% |
20 | ![]() | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9996 0.0000382 Btc | $10,865,324.00 10,892,824.912 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 2.0148% |
21 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $8,807,488.00 8,806,557.660 USDC | 1.6289% |
22 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $8,105,966.00 308.287 BTC | 0.0001% |
23 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $7,097,043.00 7,097,810.309 USDC | 1.3128% |
24 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $6,966,961.00 6,965,018.050 USDC | 1.2883% |
25 | ![]() | XRP-USDC | $1.001 0.0000382 Btc | $5,760,628.00 11,460,905.700 XRP | 2.1198% |
26 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $5,156,435.00 5,155,074.789 USDC | 0.9535% |
27 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $5,084,255.00 3,197.348 ETH | 0.0006% |
28 | ![]() | ETH-USDC | $1.001 0.0000383 Btc | $5,047,042.00 3,174.734 ETH | 0.0006% |
29 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $4,989,985.00 189.675 BTC | 0.0000% |
30 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $4,882,544.00 3,071.551 ETH | 0.0006% |
31 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $4,191,016.00 159.534 BTC | 0.0000% |
32 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $4,019,743.00 2,528.713 ETH | 0.0005% |
33 | ![]() | 0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $3,946,105.00 3,942,113.036 0X6B175474E89094C44DA98B954EEDEAC495271D0F | 0.7291% |
34 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $3,806,333.00 3,805,096.600 USDC | 0.7038% |
35 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $3,484,550.00 3,485,367.565 USDC | 0.6447% |
36 | ![]() | 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $2,871,230.00 2,872,905.431 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E | 0.5314% |
37 | ![]() | USDC-EUR | $0.9993 0.0000382 Btc | $2,520,751.00 2,522,480.990 USDC | 0.4666% |
38 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $2,355,570.00 2,354,804.610 USDC | 0.4356% |
39 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.00 0.0000382 Btc | $2,046,918.00 2,055,152.937 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.3801% |
40 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.00 0.0000382 Btc | $2,034,957.00 2,037,662.421 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.3769% |
41 | ![]() | USDC-USD | $1.00 0.0000382 Btc | $1,724,956.00 1,724,817.886 USDC | 0.3190% |
42 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $1,707,225.00 1,706,807.059 USDC | 0.3157% |
43 | ![]() | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0000382 Btc | $1,554,067.00 59.173 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
44 | ![]() | USDC-GBP | $1.00 0.0000382 Btc | $1,462,273.00 1,462,148.924 USDC | 0.2704% |
45 | ![]() | USDT-USDC | $1.001 0.0000382 Btc | $1,365,251.00 1,364,595.755 USDT | 0.2524% |
46 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $1,296,489.00 49.489 BTC | 0.0000% |
47 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $1,271,296.00 1,271,009.940 USDC | 0.2351% |
48 | ![]() | 0X853D955ACEF822DB058EB8505911ED77F175B99E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $1,089,817.00 1,091,568.419 0X853D955ACEF822DB058EB8505911ED77F175B99E | 0.2019% |
49 | ![]() | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | $1.002 0.0000383 Btc | $1,055,124.00 1,058,837.997 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.1958% |
50 | ![]() | USDT-USDC | $1.001 0.0000382 Btc | $1,009,365.00 1,009,464.799 USDT | 0.1867% |
51 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $955,487.00 955,577.000 USDC | 0.1767% |
52 | ![]() | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0000382 Btc | $954,913.00 600.952 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0001% |
53 | ![]() | XRP-USDC | $1.001 0.0000382 Btc | $902,647.00 1,796,627.696 XRP | 0.3323% |
54 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $894,661.00 34.151 BTC | 0.0000% |
55 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $871,082.00 871,073.858 USDC | 0.1611% |
56 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $762,369.00 29.114 BTC | 0.0000% |
57 | ![]() | USDC-EUR | $0.9994 0.0000382 Btc | $734,385.00 734,829.764 USDC | 0.1359% |
58 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $691,278.00 26.386 BTC | 0.0000% |
59 | ![]() | BGB-USDC | $1.001 0.0000382 Btc | $587,521.00 1,310,499.563 BGB | 0.2424% |
60 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $557,904.00 351.998 ETH | 0.0001% |
61 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $552,826.00 348.574 ETH | 0.0001% |
62 | ![]() | BTC-USDC | $1.00 0.0000382 Btc | $550,184.00 21.022 BTC | 0.0000% |
63 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $527,617.00 527,553.700 USDC | 0.0976% |
64 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $527,589.00 527,476.240 USDC | 0.0976% |
65 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $508,514.00 19.335 BTC | 0.0000% |
66 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $474,700.00 298.527 ETH | 0.0001% |
67 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $471,455.00 471,530.045 USDC | 0.0872% |
68 | ![]() | 0X40379A439D4F6795B6FC9AA5687DB461677A2DBA-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $1.001 0.0000383 Btc | $440,949.00 440,498.053 0X40379A439D4F6795B6FC9AA5687DB461677A2DBA | 0.0815% |
69 | ![]() | DAI-USDC | $1.00 0.0000382 Btc | $431,349.00 431,309.800 DAI | 0.0798% |
70 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $411,661.00 259.513 ETH | 0.0000% |
71 | ![]() | ETH-USDC | $1.00 0.0000382 Btc | $317,073.00 199.946 ETH | 0.0000% |
72 | ![]() | USDC-USD | $1.00 0.0000382 Btc | $314,148.00 314,135.493 USDC | 0.0581% |
73 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $274,328.00 10.471 BTC | 0.0000% |
74 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $265,558.00 167.307 ETH | 0.0000% |
75 | ![]() | OP-USDC | $1.00 0.0000382 Btc | $247,211.00 194,385.000 OP | 0.0360% |
76 | ![]() | ETH-USDC | $1.001 0.0000382 Btc | $175,438.00 110.341 ETH | 0.0000% |
77 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $166,986.00 6.354 BTC | 0.0000% |
78 | ![]() | APE-USDC | $1.00 0.0000382 Btc | $164,795.00 147,243.600 APE | 0.0272% |
79 | ![]() | USDC-AUD | $0.9994 0.0000382 Btc | $157,042.00 157,130.167 USDC | 0.0291% |
80 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $128,559.00 128,524.978 USDC | 0.0238% |
81 | ![]() | LTC-USDC | $1.00 0.0000382 Btc | $121,489.00 1,894.658 LTC | 0.0004% |
82 | ![]() | FXS-USDC | $1.001 0.0000382 Btc | $116,223.00 20,060.800 FXS | 0.0037% |
83 | ![]() | UDC-USDT | $1.00 0.0000382 Btc | $115,005.00 114,967.421 UDC | 0.0213% |
84 | ![]() | BTC-USDC | $1.001 0.0000382 Btc | $101,343.00 3.872 BTC | 0.0000% |
85 | ![]() | USDC-EUR | $0.9987 0.0000381 Btc | $86,122.00 86,235.749 USDC | 0.0160% |
86 | ![]() | TRX-USDC | $1.00 0.0000382 Btc | $84,696.00 1,001,118.000 TRX | 0.1852% |
87 | ![]() | XRP-USDC | $1.001 0.0000382 Btc | $73,507.00 146,193.000 XRP | 0.0270% |
88 | ![]() | TRX-USDC | $1.001 0.0000382 Btc | $73,398.00 867,451.200 TRX | 0.1604% |
89 | ![]() | XLM-USDC | $1.00 0.0000382 Btc | $71,550.00 642,752.200 XLM | 0.1189% |
90 | ![]() | ADA-USDC | $1.001 0.0000382 Btc | $65,332.00 265,546.000 ADA | 0.0491% |
91 | ![]() | APE-USDC | $1.001 0.0000382 Btc | $64,656.00 57,484.700 APE | 0.0106% |
92 | ![]() | BNB-USDC | $1.001 0.0000382 Btc | $60,934.00 288.647 BNB | 0.0001% |
93 | ![]() | MATIC-USDC | $1.001 0.0000382 Btc | $58,520.00 112,525.400 MATIC | 0.0208% |
94 | ![]() | NEAR-USDC | $1.001 0.0000382 Btc | $50,900.00 46,272.100 NEAR | 0.0086% |
95 | ![]() | DOGE-USDC | $1.001 0.0000382 Btc | $50,432.00 827,359.711 DOGE | 0.1530% |
96 | ![]() | AVAX-USDC | $1.001 0.0000382 Btc | $46,148.00 5,144.200 AVAX | 0.0010% |
97 | ![]() | AAVE-USDC | $1.001 0.0000382 Btc | $37,649.00 607.625 AAVE | 0.0001% |
98 | ![]() | MATIC-USDC | $1.00 0.0000382 Btc | $33,321.00 64,349.030 MATIC | 0.0119% |
99 | ![]() | USDC-USDT | $1.00 0.0000382 Btc | $28,625.00 28,613.528 USDC | 0.0053% |
100 | ![]() | FIL-USDC | $1.00 0.0000382 Btc | $26,165.00 8,163.176 FIL | 0.0015% |
Contract Name:
TransparentUpgradeableProxy
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity)
/** *Submitted for verification at Arbiscan.io on 2021-09-09 */ // 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); } } } } /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { // solhint-disable-next-line no-inline-assembly 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 This is a virtual function that should be overriden so it returns the address to which the fallback function * and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _fallback() internal virtual { _beforeFallback(); _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback () external payable virtual { _fallback(); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data * is empty. */ receive () external payable virtual { _fallback(); } /** * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback` * call, or as part of the Solidity `fallback` or `receive` functions. * * If overriden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual { } } /** * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an * implementation address that can be changed. This address is stored in storage in the location specified by * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the * implementation behind the proxy. * * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see * {TransparentUpgradeableProxy}. */ contract UpgradeableProxy is Proxy { /** * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`. * * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded * function call, and allows initializating the storage of the proxy like a Solidity constructor. */ constructor(address _logic, bytes memory _data) public payable { assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)); _setImplementation(_logic); if(_data.length > 0) { Address.functionDelegateCall(_logic, _data); } } /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation address. */ function _implementation() internal view virtual override returns (address impl) { bytes32 slot = _IMPLEMENTATION_SLOT; // solhint-disable-next-line no-inline-assembly assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal virtual { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(Address.isContract(newImplementation), "UpgradeableProxy: new implementation is not a contract"); bytes32 slot = _IMPLEMENTATION_SLOT; // solhint-disable-next-line no-inline-assembly assembly { sstore(slot, newImplementation) } } } /** * @dev This contract implements a proxy that is upgradeable by an admin. * * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector * clashing], which can potentially be used in an attack, this contract uses the * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two * things that go hand in hand: * * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if * that call matches one of the admin functions exposed by the proxy itself. * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the * implementation. If the admin tries to call a function on the implementation it will fail with an error that says * "admin cannot fallback to proxy target". * * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due * to sudden errors when trying to call a function from the proxy implementation. * * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way, * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy. */ contract TransparentUpgradeableProxy is UpgradeableProxy { /** * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}. */ constructor(address _logic, address admin_, bytes memory _data) public payable UpgradeableProxy(_logic, _data) { assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1)); _setAdmin(admin_); } /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * @dev Returns the current admin. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function admin() external ifAdmin returns (address admin_) { admin_ = _admin(); } /** * @dev Returns the current implementation. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc` */ function implementation() external ifAdmin returns (address implementation_) { implementation_ = _implementation(); } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. * * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}. */ function changeAdmin(address newAdmin) external virtual ifAdmin { require(newAdmin != address(0), "TransparentUpgradeableProxy: new admin is the zero address"); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the implementation of the proxy. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}. */ function upgradeTo(address newImplementation) external virtual ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the * proxied contract. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable virtual ifAdmin { _upgradeTo(newImplementation); Address.functionDelegateCall(newImplementation, data); } /** * @dev Returns the current admin. */ function _admin() internal view virtual returns (address adm) { bytes32 slot = _ADMIN_SLOT; // solhint-disable-next-line no-inline-assembly assembly { adm := sload(slot) } } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { bytes32 slot = _ADMIN_SLOT; // solhint-disable-next-line no-inline-assembly assembly { sstore(slot, newAdmin) } } /** * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}. */ function _beforeFallback() internal virtual override { require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target"); super._beforeFallback(); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs": [{"internalType": "address","name": "_logic","type": "address"},{"internalType": "address","name": "admin_","type": "address"},{"internalType": "bytes","name": "_data","type": "bytes"}],"stateMutability": "payable","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": true,"internalType": "address","name": "implementation","type": "address"}],"name": "Upgraded","type": "event"},{"stateMutability": "payable","type": "fallback"},{"inputs": [],"name": "admin","outputs": [{"internalType": "address","name": "admin_","type": "address"}],"stateMutability": "nonpayable","type": "function"},{"inputs": [{"internalType": "address","name": "newAdmin","type": "address"}],"name": "changeAdmin","outputs": [],"stateMutability": "nonpayable","type": "function"},{"inputs": [],"name": "implementation","outputs": [{"internalType": "address","name": "implementation_","type": "address"}],"stateMutability": "nonpayable","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"},{"stateMutability": "payable","type": "receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001efb3f88bc88f03fd1804a5c53b7141bbef5ded8000000000000000000000000d570ace65c43af47101fc6250fd6fc63d1c22a86000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _logic (address): 0x1efb3f88bc88f03fd1804a5c53b7141bbef5ded8
Arg [1] : admin_ (address): 0xd570ace65c43af47101fc6250fd6fc63d1c22a86
Arg [2] : _data (bytes): 0x
-----Encoded View---------------