Overview
Max Total Supply
30,528,467,224.444842 USDC
Holders
2,504,531 ( 0.011%)
Market
Price
$1.00 @ 0.000305 ETH (-0.11%)
Onchain Market Cap
$30,513,233,519.30
Circulating Supply Market Cap
$42,932,277,052.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0.000309 USDCValue
$0.00 ( ~0 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | BTC-USDC | $1.00 0.0003053 Eth | $383,046,911.00 4,032.049 BTC | 0.0000% |
2 | Azbit | BTC-USDC | $0.9998 0.0003056 Eth | $346,664,807.00 3,652.017 BTC | 0.0000% |
3 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003053 Eth | $306,525,811.00 1,683,491.899 SO11111111111111111111111111111111111111112 | 0.0024% |
4 | WEEX | BTC-USDC | $1.00 0.0003053 Eth | $250,855,212.00 2,691.210 BTC | 0.0000% |
5 | Bybit | USDC-USDT | $0.9997 0.0003051 Eth | $224,198,299.00 224,307,891.280 USDC | 0.3166% |
6 | Bybit | BTC-USDC | $1.00 0.0003053 Eth | $206,712,369.00 2,174.536 BTC | 0.0000% |
7 | Bybit | ETH-USDC | $1.00 0.0003053 Eth | $155,308,938.00 47,086.685 ETH | 0.0001% |
8 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003053 Eth | $152,031,963.00 833,736.023 SO11111111111111111111111111111111111111112 | 0.0012% |
9 | Coinbase Exchange | USDT-USDC | $1.00 0.0003056 Eth | $131,369,228.00 131,543,238.130 USDT | 0.1857% |
10 | OKX | BTC-USDC | $1.00 0.0003053 Eth | $112,829,210.00 1,187.774 BTC | 0.0000% |
11 | DigiFinex | BTC-USDC | $1.00 0.0003053 Eth | $106,813,024.00 1,146.939 BTC | 0.0000% |
12 | OKX | ETH-USDC | $1.00 0.0003053 Eth | $79,373,801.00 24,038.265 ETH | 0.0000% |
13 | DigiFinex | ETH-USDC | $1.00 0.0003053 Eth | $77,604,832.00 23,643.970 ETH | 0.0000% |
14 | Binance | XRP-USDC | $1.001 0.0003058 Eth | $65,740,414.00 29,980,600.000 XRP | 0.0423% |
15 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003053 Eth | $45,603,077.00 250,563.125 SO11111111111111111111111111111111111111112 | 0.0004% |
16 | OKX | USDC-USDT | $0.9998 0.0003051 Eth | $40,616,696.00 40,638,666.069 USDC | 0.0574% |
17 | LBank | BTC-USDC | $0.9998 0.0003056 Eth | $37,376,319.00 401.976 BTC | 0.0000% |
18 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003053 Eth | $36,307,799.00 8,786,155.631 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0124% |
19 | WhiteBIT | ETH-USDC | $1.001 0.0003055 Eth | $36,206,479.00 11,019.999 ETH | 0.0000% |
20 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9998 0.0003054 Eth | $35,642,661.00 35,658,881.809 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0503% |
21 | XT.COM | ETH-USDC | $1.00 0.0003057 Eth | $34,996,770.00 10,620.123 ETH | 0.0000% |
22 | WhiteBIT | BTC-USDC | $1.001 0.0003055 Eth | $34,899,320.00 373.923 BTC | 0.0000% |
23 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9991 0.0003054 Eth | $32,081,590.00 32,394,565.876 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0457% |
24 | Biconomy.com | ETH-USDC | $1.001 0.0003056 Eth | $31,747,261.00 9,614.883 ETH | 0.0000% |
25 | Curve (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0003054 Eth | $30,932,486.00 30,930,626.412 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0437% |
26 | LBank | ETH-USDC | $1.00 0.0003056 Eth | $30,484,505.00 9,283.283 ETH | 0.0000% |
27 | Binance | ADA-USDC | $1.00 0.0003053 Eth | $30,387,106.00 34,288,872.100 ADA | 0.0484% |
28 | Binance | BNB-USDC | $1.001 0.0003051 Eth | $29,910,144.00 45,016.935 BNB | 0.0001% |
29 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003053 Eth | $27,858,800.00 153,122.816 SO11111111111111111111111111111111111111112 | 0.0002% |
30 | Azbit | ETH-USDC | $0.9998 0.0003056 Eth | $27,607,205.00 8,380.598 ETH | 0.0000% |
31 | WEEX | ETH-USDC | $1.00 0.0003053 Eth | $25,498,152.00 7,743.608 ETH | 0.0000% |
32 | WEEX | DOGE-USDC | $0.9996 0.0003055 Eth | $25,057,423.00 81,869,053.865 DOGE | 0.1156% |
33 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003056 Eth | $25,028,676.00 943,178,249.388 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 1.3314% |
34 | WEEX | XRP-USDC | $1.00 0.0003051 Eth | $25,018,774.00 11,621,467.554 XRP | 0.0164% |
35 | Binance | DOGE-USDC | $0.9995 0.0003051 Eth | $22,186,282.00 71,099,365.000 DOGE | 0.1004% |
36 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9998 0.0003056 Eth | $21,674,644.00 592,383.126 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0008% |
37 | LFJ V2.2 (Avalanche) | 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0003057 Eth | $20,046,791.00 20,064,418.823 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7 | 0.0283% |
38 | Uniswap V3 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.001 0.0003060 Eth | $18,549,280.00 507,165.450 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0007% |
39 | Bybit | XRP-USDC | $1.00 0.0003053 Eth | $18,518,647.00 8,455,215.690 XRP | 0.0119% |
40 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.001 0.0003055 Eth | $17,893,713.00 4,328,897.347 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0061% |
41 | Bybit | USDE-USDC | $1.00 0.0003053 Eth | $17,619,446.00 17,638,852.590 USDE | 0.0249% |
42 | Hotcoin | ETH-USDC | $1.00 0.0003053 Eth | $16,262,353.00 4,955.189 ETH | 0.0000% |
43 | Slex | ETH-USDC | $0.9998 0.0003056 Eth | $13,730,581.00 4,164.153 ETH | 0.0000% |
44 | Deribit Spot | BTC-USDC | $1.00 0.0003051 Eth | $13,695,674.00 144.344 BTC | 0.0000% |
45 | Kraken | BTC-USDC | $1.001 0.0003055 Eth | $11,969,551.00 128.527 BTC | 0.0000% |
46 | QMall | ETH-USDC | $0.9998 0.0003056 Eth | $10,107,748.00 3,068.512 ETH | 0.0000% |
47 | Deribit Spot | ETH-USDC | $0.9998 0.0003056 Eth | $9,871,271.00 2,993.437 ETH | 0.0000% |
48 | OKX | XRP-USDC | $1.00 0.0003053 Eth | $9,098,349.00 4,155,017.756 XRP | 0.0059% |
49 | KuCoin | BTC-USDC | $1.001 0.0003055 Eth | $8,352,528.00 89.556 BTC | 0.0000% |
50 | Azbit | SOL-USDC | $0.9998 0.0003056 Eth | $8,280,282.00 45,507.955 SOL | 0.0001% |
51 | OKX | USDT-USDC | $1.00 0.0003053 Eth | $8,220,042.00 8,226,531.943 USDT | 0.0116% |
52 | Dex-Trade | BTC-USDC | $1.001 0.0003057 Eth | $8,064,022.00 86.602 BTC | 0.0000% |
53 | Azbit | XRP-USDC | $0.9995 0.0003051 Eth | $6,541,758.00 2,987,119.860 XRP | 0.0042% |
54 | BingX | BTC-USDC | $1.00 0.0003053 Eth | $6,289,162.00 66.170 BTC | 0.0000% |
55 | KuCoin | ETH-USDC | $1.001 0.0003055 Eth | $6,156,221.00 1,872.326 ETH | 0.0000% |
56 | Dexalot | USDT-USDC | $1.00 0.0003053 Eth | $5,992,403.00 5,997,712.464 USDT | 0.0085% |
57 | WhiteBIT | XRP-USDC | $0.9996 0.0003053 Eth | $5,951,591.00 2,778,851.400 XRP | 0.0039% |
58 | Bitget | BTC-USDC | $1.00 0.0003053 Eth | $5,889,335.00 61.947 BTC | 0.0000% |
59 | OKX | SOL-USDC | $1.00 0.0003053 Eth | $5,673,728.00 31,131.108 SOL | 0.0000% |
60 | Bitget | ETH-USDC | $1.00 0.0003053 Eth | $5,623,771.00 1,704.978 ETH | 0.0000% |
61 | Binance | LINK-USDC | $1.00 0.0003053 Eth | $5,605,516.00 249,850.110 LINK | 0.0004% |
62 | HTX | BTC-USDC | $1.00 0.0003053 Eth | $5,467,799.00 57.463 BTC | 0.0000% |
63 | Binance | HBAR-USDC | $1.001 0.0003058 Eth | $5,452,788.00 20,389,189.000 HBAR | 0.0288% |
64 | Coinbase Exchange | EURC-USDC | $1.00 0.0003057 Eth | $5,293,347.00 5,093,923.000 EURC | 0.0072% |
65 | BingX | DOGE-USDC | $1.00 0.0003053 Eth | $4,958,447.00 15,869,156.000 DOGE | 0.0224% |
66 | BYDFi | BTC-USDC | $1.00 0.0003056 Eth | $4,937,539.00 52.961 BTC | 0.0000% |
67 | Deribit Spot | STETH-USDC | $1.00 0.0003056 Eth | $4,898,088.00 1,484.669 STETH | 0.0000% |
68 | BingX | ETH-USDC | $1.00 0.0003053 Eth | $4,829,055.00 1,464.283 ETH | 0.0000% |
69 | PointPay | BTC-USDC | $1.001 0.0003055 Eth | $4,613,687.00 48.588 BTC | 0.0000% |
70 | Bybit | SUI-USDC | $1.00 0.0003053 Eth | $4,018,274.00 934,862.230 SUI | 0.0013% |
71 | XT.COM | BTC-USDC | $1.00 0.0003053 Eth | $3,792,584.00 39.894 BTC | 0.0000% |
72 | Binance | ENA-USDC | $1.00 0.0003053 Eth | $3,670,485.00 3,547,504.350 ENA | 0.0050% |
73 | KuCoin | XRP-USDC | $1.001 0.0003055 Eth | $3,457,915.00 1,606,994.324 XRP | 0.0023% |
74 | Binance | AVAX-USDC | $1.001 0.0003058 Eth | $3,311,804.00 90,690.010 AVAX | 0.0001% |
75 | WEEX | SOL-USDC | $0.9996 0.0003055 Eth | $3,077,439.00 16,927.890 SOL | 0.0000% |
76 | Bybit | DOGE-USDC | $1.00 0.0003053 Eth | $2,840,882.00 9,080,123.700 DOGE | 0.0128% |
77 | Binance | DOT-USDC | $1.001 0.0003051 Eth | $2,626,541.00 380,817.440 DOT | 0.0005% |
78 | KuCoin | USDT-USDC | $1.001 0.0003055 Eth | $2,498,923.00 2,498,936.970 USDT | 0.0035% |
79 | WhiteBIT | ADA-USDC | $1.00 0.0003056 Eth | $2,467,421.00 2,841,633.200 ADA | 0.0040% |
80 | tanX | BTC-USDC | $1.00 0.0003056 Eth | $2,439,185.00 25.668 BTC | 0.0000% |
81 | Bybit | ADA-USDC | $1.00 0.0003053 Eth | $2,438,277.00 2,764,373.130 ADA | 0.0039% |
82 | Biconomy.com | USDT-USDC | $1.00 0.0003051 Eth | $2,122,377.00 2,124,339.097 USDT | 0.0030% |
83 | Binance | ALGO-USDC | $1.001 0.0003056 Eth | $2,058,164.00 5,795,540.000 ALGO | 0.0082% |
84 | Cube | SOL-USDC | $0.9985 0.0003048 Eth | $1,970,456.00 10,849.254 SOL | 0.0000% |
85 | OKX | SUI-USDC | $1.00 0.0003053 Eth | $1,727,123.00 399,065.308 SUI | 0.0006% |
86 | OKX | DOGE-USDC | $1.00 0.0003053 Eth | $1,715,134.00 5,491,134.800 DOGE | 0.0078% |
87 | Binance | ARB-USDC | $1.00 0.0003053 Eth | $1,663,818.00 2,217,802.000 ARB | 0.0031% |
88 | WEEX | ADA-USDC | $1.001 0.0003058 Eth | $1,501,580.00 1,726,506.787 ADA | 0.0024% |
89 | Bybit | SHIB-USDC | $1.00 0.0003053 Eth | $1,490,014.00 68,966,540,404.700 SHIB | 97.3565% |
90 | Binance | INJ-USDC | $1.001 0.0003051 Eth | $1,466,046.00 71,192.310 INJ | 0.0001% |
91 | VALR | USDT-USDC | $0.9991 0.0003051 Eth | $1,435,591.00 1,437,947.986 USDT | 0.0020% |
92 | Binance | GALA-USDC | $1.001 0.0003058 Eth | $1,042,846.00 29,762,484.000 GALA | 0.0420% |
93 | PointPay | SOL-USDC | $0.9998 0.0003056 Eth | $903,396.00 4,964.387 SOL | 0.0000% |
94 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9976 0.0003048 Eth | $630,631.00 124,722.134 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0002% |
95 | DeGate | 0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0003050 Eth | $627,429.00 1,030,045.600 0X4D1C297D39C5C1277964D0E3F8AA901493664530 | 0.0015% |
96 | DeGate | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9974 0.0003048 Eth | $569,529.00 681,672.931 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0010% |
97 | WEEX | ARB-USDC | $1.00 0.0003051 Eth | $501,558.00 665,920.666 ARB | 0.0009% |
98 | WEEX | LTC-USDC | $1.001 0.0003054 Eth | $500,462.00 5,021.824 LTC | 0.0000% |
99 | Backpack Exchange | BTC-USDC | $1.002 0.0003055 Eth | $492,400.00 5.150 BTC | 0.0000% |
100 | DeGate | 0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9976 0.0003048 Eth | $430,568.00 444,254.616 0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | 0.0006% |
Contract Name:
FiatTokenProxy
Compiler Version
v0.4.24+commit.e67f0147
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2018-08-03 */ pragma solidity ^0.4.24; // File: zos-lib/contracts/upgradeability/Proxy.sol /** * @title Proxy * @dev 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. */ contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal 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 { } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: openzeppelin-solidity/contracts/AddressUtils.sol /** * Utility library of inline functions on addresses */ library AddressUtils { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param addr address to check * @return whether the target address is a contract */ function isContract(address addr) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solium-disable-next-line security/no-inline-assembly assembly { size := extcodesize(addr) } return size > 0; } } // File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol /** * @title UpgradeabilityProxy * @dev 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. */ 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 _implementation Address of the initial implementation. */ constructor(address _implementation) public { assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation")); _setImplementation(_implementation); } /** * @dev Returns the current implementation. * @return Address of the current implementation */ function _implementation() internal 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(AddressUtils.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol /** * @title AdminUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ 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(); } } /** * Contract constructor. * It sets the `msg.sender` as the proxy administrator. * @param _implementation address of the initial implementation. */ constructor(address _implementation) UpgradeabilityProxy(_implementation) public { assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view ifAdmin 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 data) payable external ifAdmin { _upgradeTo(newImplementation); require(address(this).call.value(msg.value)(data)); } /** * @return 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 { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } } // File: contracts/FiatTokenProxy.sol /** * Copyright CENTRE SECZ 2018 * * 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 all * 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 ^0.4.24; /** * @title FiatTokenProxy * @dev This contract proxies FiatToken calls and enables FiatToken upgrades */ contract FiatTokenProxy is AdminUpgradeabilityProxy { constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) { } }
Contract Security Audit
- Callisto Network - Apr 7th, 2023 - Security Audit Report
[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
Contract Creation Code
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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)
0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
-----Decoded View---------------
Arg [0] : _implementation (address): 0x0882477e7895bdC5cea7cB1552ed914aB157Fe56
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
Swarm Source
bzzr://a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed24
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