Overview
Max Total Supply
30,415,225,773.231159 USDC
Holders
2,508,691 ( 0.031%)
Market
Price
$1.00 @ 0.000287 ETH (+0.01%)
Onchain Market Cap
$30,415,225,773.23
Circulating Supply Market Cap
$43,247,795,481.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
98,002.146414 USDCValue
$98,002.15 ( ~28.0817 Eth) [0.0003%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | USDC-USDT | $0.9995 0.0002863 Eth | $850,388,647.00 850,904,056.000 USDC | 0.1423% |
2 | Binance | BTC-USDC | $0.9999 0.0002864 Eth | $321,589,179.00 3,273.823 BTC | 0.0000% |
3 | WEEX | BTC-USDC | $1.00 0.0002867 Eth | $250,790,416.00 2,545.928 BTC | 0.0000% |
4 | Bybit | BTC-USDC | $0.9999 0.0002864 Eth | $132,205,201.00 1,346.137 BTC | 0.0000% |
5 | DigiFinex | BTC-USDC | $0.9998 0.0002864 Eth | $92,198,259.00 935.273 BTC | 0.0000% |
6 | OKX | BTC-USDC | $0.9999 0.0002864 Eth | $81,524,974.00 829.972 BTC | 0.0000% |
7 | Bybit | ETH-USDC | $0.9999 0.0002864 Eth | $71,161,034.00 20,407.994 ETH | 0.0000% |
8 | Binance | SOL-USDC | $0.9998 0.0002864 Eth | $64,124,779.00 324,751.029 SOL | 0.0001% |
9 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9998 0.0002862 Eth | $54,283,081.00 54,276,524.110 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 0.0091% |
10 | Binance | FDUSD-USDC | $1.00 0.0002860 Eth | $54,129,509.00 53,988,403.000 FDUSD | 0.0090% |
11 | DigiFinex | ETH-USDC | $0.9998 0.0002864 Eth | $46,468,271.00 13,317.112 ETH | 0.0000% |
12 | OKX | ETH-USDC | $0.9999 0.0002864 Eth | $45,628,870.00 13,084.431 ETH | 0.0000% |
13 | Binance | XRP-USDC | $0.9999 0.0002864 Eth | $43,328,414.00 18,776,049.000 XRP | 0.0031% |
14 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9999 0.0002862 Eth | $39,871,328.00 39,873,383.111 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0067% |
15 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0002864 Eth | $33,366,070.00 919,989,398.887 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 0.1539% |
16 | Biconomy.com | ETH-USDC | $0.9998 0.0002864 Eth | $31,965,583.00 9,172.869 ETH | 0.0000% |
17 | WEEX | XRP-USDC | $1.00 0.0002867 Eth | $25,090,905.00 10,956,006.797 XRP | 0.0018% |
18 | WEEX | DOGE-USDC | $0.9997 0.0002864 Eth | $24,793,227.00 74,234,558.000 DOGE | 0.0124% |
19 | Hotcoin | BTC-USDC | $1.001 0.0002865 Eth | $24,597,712.00 249.032 BTC | 0.0000% |
20 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0002862 Eth | $23,212,040.00 5,463,173.193 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0009% |
21 | Biconomy.com | BTC-USDC | $0.9999 0.0002864 Eth | $23,194,866.00 236.154 BTC | 0.0000% |
22 | Binance | DOGE-USDC | $0.9999 0.0002861 Eth | $21,386,553.00 63,993,633.000 DOGE | 0.0107% |
23 | LBank | ETH-USDC | $0.9999 0.0002864 Eth | $21,028,158.00 6,024.253 ETH | 0.0000% |
24 | WhiteBIT | ETH-USDC | $0.9999 0.0002862 Eth | $20,692,970.00 5,923.446 ETH | 0.0000% |
25 | Binance | ADA-USDC | $0.9999 0.0002866 Eth | $17,845,054.00 19,208,206.500 ADA | 0.0032% |
26 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0002862 Eth | $17,787,555.00 90,153.340 SO11111111111111111111111111111111111111112 | 0.0000% |
27 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0002864 Eth | $16,879,367.00 3,970,026.936 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0007% |
28 | Uniswap V3 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9998 0.0002862 Eth | $14,513,742.00 353,837.623 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0001% |
29 | Hotcoin | ETH-USDC | $0.9999 0.0002862 Eth | $13,943,734.00 3,990.661 ETH | 0.0000% |
30 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0002864 Eth | $12,297,742.00 62,275.586 SO11111111111111111111111111111111111111112 | 0.0000% |
31 | KuCoin | BTC-USDC | $0.9999 0.0002864 Eth | $12,065,637.00 122.356 BTC | 0.0000% |
32 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $0.9998 0.0002862 Eth | $11,433,385.00 11,436,195.026 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0019% |
33 | Binance | PEPE-USDC | $0.9999 0.0002864 Eth | $11,357,913.00 595,466,704,874.000 PEPE | 99.5812% |
34 | KuCoin | ETH-USDC | $0.9999 0.0002864 Eth | $8,682,863.00 2,488.148 ETH | 0.0000% |
35 | Binance | SUI-USDC | $0.9999 0.0002864 Eth | $8,601,832.00 1,876,084.800 SUI | 0.0003% |
36 | Slex | ETH-USDC | $0.9997 0.0002864 Eth | $8,535,724.00 2,448.772 ETH | 0.0000% |
37 | Kraken | BTC-USDC | $0.9995 0.0002863 Eth | $8,233,209.00 83.458 BTC | 0.0000% |
38 | Binance | HBAR-USDC | $0.9999 0.0002862 Eth | $7,470,507.00 23,286,239.000 HBAR | 0.0039% |
39 | Dex-Trade | BTC-USDC | $0.9997 0.0002863 Eth | $7,037,197.00 71.314 BTC | 0.0000% |
40 | OKX | XRP-USDC | $0.9999 0.0002864 Eth | $6,002,496.00 2,601,058.819 XRP | 0.0004% |
41 | QMall | ETH-USDC | $0.9998 0.0002864 Eth | $5,983,041.00 1,715.197 ETH | 0.0000% |
42 | Dex-Trade | ETH-USDC | $0.9998 0.0002864 Eth | $5,772,661.00 1,653.784 ETH | 0.0000% |
43 | HTX | BTC-USDC | $0.9994 0.0002862 Eth | $5,503,633.00 56.048 BTC | 0.0000% |
44 | BingX | DOGE-USDC | $0.9999 0.0002864 Eth | $4,948,346.00 14,811,853.000 DOGE | 0.0025% |
45 | HTX | ETH-USDC | $0.9998 0.0002862 Eth | $4,891,220.00 1,403.685 ETH | 0.0000% |
46 | OKX | SOL-USDC | $0.9999 0.0002864 Eth | $4,644,358.00 23,529.050 SOL | 0.0000% |
47 | Coinbase Exchange | EURC-USDC | $0.9997 0.0002864 Eth | $4,619,651.00 4,447,889.000 EURC | 0.0007% |
48 | OKX | USDT-USDC | $0.9999 0.0002864 Eth | $4,424,150.00 4,428,187.282 USDT | 0.0007% |
49 | Azbit | XRP-USDC | $1.00 0.0002864 Eth | $4,421,232.00 1,915,144.133 XRP | 0.0003% |
50 | Binance | LINK-USDC | $0.9999 0.0002864 Eth | $4,366,113.00 174,796.800 LINK | 0.0000% |
51 | Azbit | LTC-USDC | $0.9999 0.0002864 Eth | $4,079,640.00 37,581.133 LTC | 0.0000% |
52 | Deribit Spot | ETH-USDC | $0.9998 0.0002864 Eth | $3,885,874.00 1,114.694 ETH | 0.0000% |
53 | BYDFi | ETH-USDC | $0.9998 0.0002864 Eth | $3,594,307.00 1,029.408 ETH | 0.0000% |
54 | PointPay | BTC-USDC | $0.9999 0.0002862 Eth | $3,218,212.00 32.725 BTC | 0.0000% |
55 | KuCoin | USDT-USDC | $0.9999 0.0002864 Eth | $3,061,840.00 3,064,705.660 USDT | 0.0005% |
56 | OKX | HBAR-USDC | $0.9999 0.0002864 Eth | $2,972,827.00 9,446,474.646 HBAR | 0.0016% |
57 | Binance | FTM-USDC | $1.00 0.0002862 Eth | $2,461,141.00 2,482,234.000 FTM | 0.0004% |
58 | Binance | LTC-USDC | $0.9997 0.0002863 Eth | $2,432,354.00 22,371.168 LTC | 0.0000% |
59 | Binance | TURBO-USDC | $0.9999 0.0002866 Eth | $2,405,047.00 222,459,193.000 TURBO | 0.0372% |
60 | Binance | OP-USDC | $0.9997 0.0002863 Eth | $2,269,741.00 1,166,959.490 OP | 0.0002% |
61 | Deribit Spot | XRP-USDC | $0.9998 0.0002864 Eth | $2,245,309.00 971,309.000 XRP | 0.0002% |
62 | LBank | FIL-USDC | $0.9999 0.0002861 Eth | $1,909,496.00 355,965.154 FIL | 0.0001% |
63 | Binance | APT-USDC | $0.9999 0.0002864 Eth | $1,869,059.00 191,805.060 APT | 0.0000% |
64 | Deribit Spot | STETH-USDC | $0.9997 0.0002863 Eth | $1,776,219.00 509.874 STETH | 0.0000% |
65 | Binance | GALA-USDC | $0.9999 0.0002861 Eth | $1,760,401.00 44,841,169.000 GALA | 0.0075% |
66 | OKX | DOGE-USDC | $0.9999 0.0002864 Eth | $1,754,270.00 5,247,384.970 DOGE | 0.0009% |
67 | Azbit | ADA-USDC | $0.9999 0.0002864 Eth | $1,729,962.00 1,862,305.870 ADA | 0.0003% |
68 | WhiteBIT | ADA-USDC | $0.9999 0.0002864 Eth | $1,665,346.00 1,811,291.400 ADA | 0.0003% |
69 | Bybit | DOGE-USDC | $0.9999 0.0002864 Eth | $1,660,836.00 4,967,210.400 DOGE | 0.0008% |
70 | Binance | ARB-USDC | $0.9997 0.0002863 Eth | $1,625,277.00 2,004,905.300 ARB | 0.0003% |
71 | Binance | ENA-USDC | $1.00 0.0002862 Eth | $1,558,095.00 1,480,387.400 ENA | 0.0002% |
72 | Binance | TAO-USDC | $0.9999 0.0002864 Eth | $1,527,573.00 3,025.922 TAO | 0.0000% |
73 | KuCoin | XRP-USDC | $0.9999 0.0002862 Eth | $1,262,265.00 550,222.839 XRP | 0.0001% |
74 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0002863 Eth | $1,165,584.00 1,165,447.523 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0002% |
75 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $1,161,814.00 298,727.193 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0000% |
76 | Bybit | LINK-USDC | $0.9999 0.0002864 Eth | $1,015,340.00 40,557.483 LINK | 0.0000% |
77 | Deribit Spot | SOL-USDC | $0.9998 0.0002864 Eth | $933,730.00 4,736.600 SOL | 0.0000% |
78 | Bybit | OP-USDC | $0.9999 0.0002864 Eth | $913,312.00 468,687.990 OP | 0.0001% |
79 | OKX | NEAR-USDC | $0.9999 0.0002864 Eth | $897,673.00 161,698.245 NEAR | 0.0000% |
80 | OKX | OP-USDC | $0.9999 0.0002864 Eth | $829,269.00 425,212.501 OP | 0.0001% |
81 | OKX | ADA-USDC | $0.9999 0.0002864 Eth | $821,179.00 883,076.825 ADA | 0.0001% |
82 | WEEX | AVAX-USDC | $0.9997 0.0002863 Eth | $801,146.00 19,680.267 AVAX | 0.0000% |
83 | Bybit | DOT-USDC | $0.9999 0.0002864 Eth | $725,582.00 96,861.420 DOT | 0.0000% |
84 | Binance | BCH-USDC | $0.9999 0.0002862 Eth | $655,901.00 1,393.076 BCH | 0.0000% |
85 | Tokpie | DAI-USDC | $0.9998 0.0002863 Eth | $651,641.00 651,777.580 DAI | 0.0001% |
86 | BingX | UNI-USDC | $0.9999 0.0002864 Eth | $585,764.00 40,875.707 UNI | 0.0000% |
87 | VALR | USDT-USDC | $0.9997 0.0002863 Eth | $514,917.00 515,342.188 USDT | 0.0001% |
88 | WEEX | LTC-USDC | $0.9998 0.0002862 Eth | $499,895.00 4,575.536 LTC | 0.0000% |
89 | DeGate | 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002861 Eth | $483,465.00 804,814.500 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F | 0.0001% |
90 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $482,146.00 593,871.830 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0001% |
91 | DeGate | 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $468,419.00 11,963,181.400 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC | 0.0020% |
92 | OKX | TON-USDC | $0.9999 0.0002864 Eth | $466,393.00 79,432.867 TON | 0.0000% |
93 | WEEX | ARB-USDC | $0.9997 0.0002863 Eth | $426,174.00 524,407.000 ARB | 0.0001% |
94 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $419,255.00 75,526.790 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
95 | Solidly V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.00 0.0002863 Eth | $296,059.00 84.856 0X4200000000000000000000000000000000000006 | 0.0000% |
96 | WEEX | TON-USDC | $0.9997 0.0002863 Eth | $285,887.00 48,844.500 TON | 0.0000% |
97 | DeGate | 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $249,112.00 398,875.400 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0 | 0.0001% |
98 | DeGate | 0X6985884C4392D348587B19CB9EAAF157F13271CD-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $223,219.00 37,214.079 0X6985884C4392D348587B19CB9EAAF157F13271CD | 0.0000% |
99 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $180,776.00 201,134.251 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 0.0000% |
100 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0002860 Eth | $167,144.00 205,052.080 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 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
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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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