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Overview
Max Total Supply
25,555,170,551.057088 USDC
Holders
2,361,135 ( 0.022%)
Market
Price
$1.00 @ 0.000409 ETH (-0.02%)
Onchain Market Cap
$25,548,705,092.91
Circulating Supply Market Cap
$34,980,485,916.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0.726968 USDCValue
$0.73 ( ~0.000298490238703077 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | DigiFinex | BTC-USDC | $0.9996 0.0004089 Eth | $351,449,634.00 5,604.297 BTC | 0.0000% |
2 | Binance | BTC-USDC | $0.9999 0.0004089 Eth | $225,231,388.00 3,615.861 BTC | 0.0000% |
3 | Bybit | BTC-USDC | $0.9995 0.0004089 Eth | $180,010,368.00 2,897.564 BTC | 0.0000% |
4 | Bybit | ETH-USDC | $0.9995 0.0004089 Eth | $106,255,604.00 43,602.388 ETH | 0.0000% |
5 | DigiFinex | ETH-USDC | $0.9996 0.0004089 Eth | $87,443,048.00 35,769.113 ETH | 0.0000% |
6 | Azbit | BTC-USDC | $1.00 0.0004091 Eth | $86,616,850.00 1,390.990 BTC | 0.0000% |
7 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $86,279,028.00 596,728.504 SO11111111111111111111111111111111111111112 | 0.0001% |
8 | Hotcoin | BTC-USDC | $0.9998 0.0004090 Eth | $81,410,718.00 1,297.993 BTC | 0.0000% |
9 | Bybit | USDC-USDT | $0.9999 0.0004091 Eth | $80,705,416.00 80,722,485.940 USDC | 0.0120% |
10 | OKX | BTC-USDC | $0.9999 0.0004089 Eth | $59,456,313.00 955.518 BTC | 0.0000% |
11 | Binance | ETH-USDC | $0.9995 0.0004089 Eth | $55,539,840.00 22,783.429 ETH | 0.0000% |
12 | Binance | SOL-USDC | $0.9999 0.0004090 Eth | $50,989,624.00 351,389.311 SOL | 0.0001% |
13 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $41,614,363.00 287,837.880 SO11111111111111111111111111111111111111112 | 0.0000% |
14 | OKX | ETH-USDC | $0.9999 0.0004091 Eth | $33,742,628.00 13,837.070 ETH | 0.0000% |
15 | Tapbit | BTC-USDC | $1.00 0.0004090 Eth | $29,350,335.00 471.074 BTC | 0.0000% |
16 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.001 0.0004094 Eth | $29,211,999.00 28,851,489.057 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0043% |
17 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $27,087,110.00 187,202.630 SO11111111111111111111111111111111111111112 | 0.0000% |
18 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $26,326,942.00 26,342,404.773 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0039% |
19 | Biconomy.com | ETH-USDC | $0.9998 0.0004088 Eth | $25,244,473.00 10,353.537 ETH | 0.0000% |
20 | Biconomy.com | BTC-USDC | $0.9998 0.0004088 Eth | $25,217,972.00 404.765 BTC | 0.0000% |
21 | LBank | ETH-USDC | $1.00 0.0004090 Eth | $24,955,635.00 10,204.158 ETH | 0.0000% |
22 | Azbit | BNB-USDC | $1.00 0.0004091 Eth | $21,144,379.00 36,908.883 BNB | 0.0000% |
23 | LBank | BTC-USDC | $1.00 0.0004090 Eth | $20,797,201.00 331.539 BTC | 0.0000% |
24 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9999 0.0004091 Eth | $19,417,399.00 709,439.050 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0001% |
25 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $18,251,245.00 126,263.388 SO11111111111111111111111111111111111111112 | 0.0000% |
26 | Kraken | USDC-USD | $0.9999 0.0004089 Eth | $17,126,440.00 17,128,152.932 USDC | 0.0025% |
27 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $16,293,417.00 4,914,698.307 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0007% |
28 | Binance | SUI-USDC | $0.9998 0.0004089 Eth | $14,560,548.00 7,282,350.000 SUI | 0.0011% |
29 | Dexalot | ETH-USDC | $1.00 0.0004093 Eth | $13,888,496.00 5,687.377 ETH | 0.0000% |
30 | Bybit | SOL-USDC | $0.9995 0.0004089 Eth | $13,653,560.00 94,695.798 SOL | 0.0000% |
31 | Azbit | SOL-USDC | $1.00 0.0004090 Eth | $13,491,459.00 93,211.924 SOL | 0.0000% |
32 | OKX | USDC-USDT | $0.9996 0.0004090 Eth | $12,395,863.00 12,395,894.077 USDC | 0.0018% |
33 | Hotcoin | ETH-USDC | $1.00 0.0004091 Eth | $10,695,581.00 4,373.916 ETH | 0.0000% |
34 | XT.COM | ETH-USDC | $0.9999 0.0004091 Eth | $10,604,510.00 4,348.480 ETH | 0.0000% |
35 | WhiteBIT | BTC-USDC | $0.9998 0.0004088 Eth | $9,764,696.00 155.661 BTC | 0.0000% |
36 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004089 Eth | $9,759,649.00 74,867,986.552 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0111% |
37 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004090 Eth | $9,670,597.00 66,861.717 SO11111111111111111111111111111111111111112 | 0.0000% |
38 | Cube | BTC-USDC | $1.00 0.0004091 Eth | $9,254,579.00 148.969 BTC | 0.0000% |
39 | Kraken | BTC-USDC | $1.00 0.0004089 Eth | $9,111,426.00 145.248 BTC | 0.0000% |
40 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9996 0.0004087 Eth | $8,105,879.00 8,118,874.915 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0012% |
41 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $0.9976 0.0004081 Eth | $7,761,750.00 7,753,584.150 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0011% |
42 | Dex-Trade | BTC-USDC | $0.9999 0.0004091 Eth | $7,695,087.00 122.663 BTC | 0.0000% |
43 | WhiteBIT | ETH-USDC | $0.9998 0.0004088 Eth | $6,971,341.00 2,851.036 ETH | 0.0000% |
44 | Azbit | ETH-USDC | $1.00 0.0004090 Eth | $6,658,761.00 2,730.429 ETH | 0.0000% |
45 | Binance | PEPE-USDC | $0.9998 0.0004088 Eth | $5,936,182.00 608,080,625,193.000 PEPE | 90.1063% |
46 | Azbit | LTC-USDC | $1.00 0.0004091 Eth | $5,887,781.00 89,960.150 LTC | 0.0000% |
47 | Dexalot | WBTC-USDC | $0.9993 0.0004089 Eth | $5,665,716.00 91.160 WBTC | 0.0000% |
48 | Bybit | USDE-USDC | $0.9995 0.0004089 Eth | $5,332,160.00 5,341,021.110 USDE | 0.0008% |
49 | Deribit Spot | BTC-USDC | $1.00 0.0004090 Eth | $5,226,136.00 84.446 BTC | 0.0000% |
50 | Binance | WIF-USDC | $0.9995 0.0004089 Eth | $5,170,037.00 1,942,702.410 WIF | 0.0003% |
51 | Binance | ARB-USDC | $0.9999 0.0004092 Eth | $5,164,096.00 9,645,235.800 ARB | 0.0014% |
52 | HTX | ETH-USDC | $0.9995 0.0004089 Eth | $4,215,685.00 1,730.368 ETH | 0.0000% |
53 | HTX | BTC-USDC | $0.9995 0.0004089 Eth | $4,172,612.00 67.088 BTC | 0.0000% |
54 | Slex | BTC-USDC | $0.9999 0.0004091 Eth | $4,019,386.00 64.520 BTC | 0.0000% |
55 | Bitget | ETH-USDC | $0.9995 0.0004089 Eth | $3,670,538.00 1,505.036 ETH | 0.0000% |
56 | Dexalot | ARB-USDC | $1.00 0.0004093 Eth | $3,333,346.00 6,226,122.156 ARB | 0.0009% |
57 | OKX | SOL-USDC | $0.9999 0.0004091 Eth | $2,870,023.00 19,831.559 SOL | 0.0000% |
58 | Binance | FET-USDC | $0.9995 0.0004089 Eth | $2,826,580.00 2,008,860.300 FET | 0.0003% |
59 | Slex | ETH-USDC | $0.9999 0.0004091 Eth | $2,781,085.00 1,140.374 ETH | 0.0000% |
60 | Deribit Spot | SOL-USDC | $1.00 0.0004090 Eth | $2,484,897.00 17,238.500 SOL | 0.0000% |
61 | PointPay | ETH-USDC | $0.9999 0.0004090 Eth | $2,468,218.00 1,012.101 ETH | 0.0000% |
62 | PointPay | SOL-USDC | $0.9999 0.0004090 Eth | $2,263,301.00 15,595.999 SOL | 0.0000% |
63 | OKX | USDT-USDC | $0.9999 0.0004091 Eth | $2,205,079.00 2,205,984.464 USDT | 0.0003% |
64 | XT.COM | BTC-USDC | $0.9999 0.0004091 Eth | $2,110,905.00 33.887 BTC | 0.0000% |
65 | LBank | FIL-USDC | $1.00 0.0004090 Eth | $2,027,720.00 558,265.381 FIL | 0.0001% |
66 | Binance | WLD-USDC | $0.9999 0.0004088 Eth | $1,813,585.00 945,864.300 WLD | 0.0001% |
67 | Bybit | SUI-USDC | $0.9995 0.0004089 Eth | $1,759,782.00 876,339.870 SUI | 0.0001% |
68 | Coinbase Exchange | EURC-USDC | $0.9999 0.0004091 Eth | $1,742,747.00 1,594,551.000 EURC | 0.0002% |
69 | Binance | ENA-USDC | $0.9999 0.0004088 Eth | $1,639,631.00 5,177,546.740 ENA | 0.0008% |
70 | Bybit | XRP-USDC | $0.9995 0.0004089 Eth | $1,493,955.00 2,779,028.340 XRP | 0.0004% |
71 | Backpack Exchange | SOL-USDC | $0.9996 0.0004089 Eth | $1,423,519.00 9,862.170 SOL | 0.0000% |
72 | KuCoin | BTC-USDC | $0.9995 0.0004089 Eth | $1,418,526.00 22.621 BTC | 0.0000% |
73 | Bybit | AVAX-USDC | $0.9995 0.0004089 Eth | $1,279,245.00 46,676.009 AVAX | 0.0000% |
74 | Binance | FLOKI-USDC | $0.9999 0.0004091 Eth | $1,252,663.00 9,112,581,328.000 FLOKI | 1.3503% |
75 | VALR | USDT-USDC | $1.00 0.0004091 Eth | $1,152,456.00 1,152,261.358 USDT | 0.0002% |
76 | Deribit Spot | ETH-USDC | $1.00 0.0004091 Eth | $1,101,387.00 452.311 ETH | 0.0000% |
77 | BYDFi | ETH-USDC | $1.00 0.0004094 Eth | $1,067,120.00 436.594 ETH | 0.0000% |
78 | Bybit | SHIB-USDC | $0.9995 0.0004089 Eth | $1,008,334.00 57,316,423,637.300 SHIB | 8.4932% |
79 | WhiteBIT | ADA-USDC | $0.9998 0.0004088 Eth | $896,740.00 2,542,190.900 ADA | 0.0004% |
80 | Bybit | APT-USDC | $0.9995 0.0004089 Eth | $895,988.00 106,713.410 APT | 0.0000% |
81 | WhiteBIT | XRP-USDC | $0.9998 0.0004088 Eth | $872,856.00 1,621,164.100 XRP | 0.0002% |
82 | PointPay | BNB-USDC | $0.9999 0.0004090 Eth | $762,523.00 1,333.752 BNB | 0.0000% |
83 | BingX | UNI-USDC | $0.9995 0.0004089 Eth | $754,208.00 95,202.835 UNI | 0.0000% |
84 | Bybit | DOGE-USDC | $0.9995 0.0004089 Eth | $730,770.00 6,627,140.100 DOGE | 0.0010% |
85 | Cube | SOL-USDC | $0.9996 0.0004089 Eth | $602,964.00 4,190.052 SOL | 0.0000% |
86 | BingX | DOGE-USDC | $0.9995 0.0004089 Eth | $567,234.00 5,159,797.529 DOGE | 0.0008% |
87 | WEEX | XRP-USDC | $1.00 0.0004091 Eth | $561,231.00 1,043,097.000 XRP | 0.0002% |
88 | KuCoin | ETH-USDC | $0.9995 0.0004089 Eth | $544,163.00 222.647 ETH | 0.0000% |
89 | OKX | XRP-USDC | $0.9999 0.0004091 Eth | $538,264.00 1,002,071.007 XRP | 0.0001% |
90 | OKX | DOGE-USDC | $0.9999 0.0004091 Eth | $537,770.00 4,900,741.520 DOGE | 0.0007% |
91 | Bybit | OP-USDC | $0.9995 0.0004089 Eth | $467,357.00 280,742.170 OP | 0.0000% |
92 | OKX | OP-USDC | $0.9999 0.0004091 Eth | $445,664.00 267,032.177 OP | 0.0000% |
93 | BitMart | TUSD-USDC | $0.9999 0.0004091 Eth | $427,122.00 428,332.600 TUSD | 0.0001% |
94 | Backpack Exchange | BTC-USDC | $1.00 0.0004089 Eth | $408,528.00 6.557 BTC | 0.0000% |
95 | Dexalot | EURC-USDC | $0.9993 0.0004089 Eth | $273,102.00 249,889.667 EURC | 0.0000% |
96 | KuCoin | XRP-USDC | $0.9995 0.0004089 Eth | $262,031.00 485,894.963 XRP | 0.0001% |
97 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0004088 Eth | $232,042.00 29,168.154 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0000% |
98 | Bybit | TRX-USDC | $0.9995 0.0004089 Eth | $230,338.00 1,440,139.840 TRX | 0.0002% |
99 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.999 0.0004086 Eth | $189,228.00 266,025.970 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0000% |
100 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0004085 Eth | $173,453.00 36,517.964 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
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
0x60806040526004361061006d576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680633659cfe6146100775780634f1ef286146100ba5780635c60da1b146101085780638f2839701461015f578063f851a440146101a2575b6100756101f9565b005b34801561008357600080fd5b506100b8600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610213565b005b610106600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803590602001908201803590602001919091929391929390505050610268565b005b34801561011457600080fd5b5061011d610308565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b34801561016b57600080fd5b506101a0600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610360565b005b3480156101ae57600080fd5b506101b761051e565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b610201610576565b61021161020c610651565b610682565b565b61021b6106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561025c57610257816106d9565b610265565b6102646101f9565b5b50565b6102706106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102fa576102ac836106d9565b3073ffffffffffffffffffffffffffffffffffffffff163483836040518083838082843782019150509250505060006040518083038185875af19250505015156102f557600080fd5b610303565b6103026101f9565b5b505050565b60006103126106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156103545761034d610651565b905061035d565b61035c6101f9565b5b90565b6103686106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561051257600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614151515610466576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260368152602001807f43616e6e6f74206368616e6765207468652061646d696e206f6620612070726f81526020017f787920746f20746865207a65726f20616464726573730000000000000000000081525060400191505060405180910390fd5b7f7e644d79422f17c01e4894b5f4f588d331ebfa28653d42ae832dc59e38c9798f61048f6106a8565b82604051808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020018273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019250505060405180910390a161050d81610748565b61051b565b61051a6101f9565b5b50565b60006105286106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561056a576105636106a8565b9050610573565b6105726101f9565b5b90565b61057e6106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614151515610647576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260328152602001807f43616e6e6f742063616c6c2066616c6c6261636b2066756e6374696f6e20667281526020017f6f6d207468652070726f78792061646d696e000000000000000000000000000081525060400191505060405180910390fd5b61064f610777565b565b6000807f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c36001029050805491505090565b3660008037600080366000845af43d6000803e80600081146106a3573d6000f35b3d6000fd5b6000807f10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b6001029050805491505090565b6106e281610779565b7fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b81604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a150565b60007f10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b60010290508181555050565b565b60006107848261084b565b151561081e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252603b8152602001807f43616e6e6f742073657420612070726f787920696d706c656d656e746174696f81526020017f6e20746f2061206e6f6e2d636f6e74726163742061646472657373000000000081525060400191505060405180910390fd5b7f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c360010290508181555050565b600080823b9050600081119150509190505600a165627a7a72305820a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed240029
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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