Overview
Max Total Supply
26,285,634,117.531986 USDC
Holders
2,354,834 (0.00%)
Market
Price
$1.00 @ 0.000413 ETH (+0.03%)
Onchain Market Cap
$26,285,634,117.53
Circulating Supply Market Cap
$35,577,819,149.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
462.042775 USDCValue
$462.04 ( ~0.19103220538311 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $1.00 0.0004136 Eth | $307,246,530.00 4,950.735 BTC | 0.0000% |
2 | Bybit | ETH-USDC | $1.00 0.0004136 Eth | $168,328,923.00 69,825.889 ETH | 0.0000% |
3 | DigiFinex | BTC-USDC | $0.9999 0.0004135 Eth | $87,184,230.00 1,405.952 BTC | 0.0000% |
4 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004138 Eth | $59,842,208.00 24,831.976 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
5 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $51,625,306.00 361,078.760 SO11111111111111111111111111111111111111112 | 0.0001% |
6 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.00 0.0004139 Eth | $45,371,879.00 45,234,919.155 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0066% |
7 | DigiFinex | ETH-USDC | $0.9999 0.0004135 Eth | $37,362,145.00 15,453.163 ETH | 0.0000% |
8 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004139 Eth | $30,386,863.00 212,678.660 SO11111111111111111111111111111111111111112 | 0.0000% |
9 | Biconomy.com | ETH-USDC | $0.9999 0.0004137 Eth | $28,382,091.00 11,768.077 ETH | 0.0000% |
10 | LBank | ETH-USDC | $0.9999 0.0004139 Eth | $19,723,683.00 8,163.491 ETH | 0.0000% |
11 | Biconomy.com | BTC-USDC | $0.9999 0.0004137 Eth | $19,666,317.00 316.961 BTC | 0.0000% |
12 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004136 Eth | $19,139,276.00 19,068,712.286 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0028% |
13 | Bybit | SOL-USDC | $1.00 0.0004136 Eth | $18,204,465.00 127,226.059 SOL | 0.0000% |
14 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $17,677,123.00 123,634.548 SO11111111111111111111111111111111111111112 | 0.0000% |
15 | Tapbit | BTC-USDC | $1.00 0.0004136 Eth | $17,001,298.00 273.886 BTC | 0.0000% |
16 | Coinbase Exchange | USDT-USDC | $0.9999 0.0004138 Eth | $16,479,106.00 16,480,088.230 USDT | 0.0024% |
17 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004138 Eth | $15,193,984.00 15,207,480.062 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0022% |
18 | OKX | ETH-USDC | $0.9998 0.0004137 Eth | $13,819,249.00 5,732.698 ETH | 0.0000% |
19 | Azbit | SOL-USDC | $0.9999 0.0004138 Eth | $13,450,323.00 94,063.569 SOL | 0.0000% |
20 | WhiteBIT | ETH-USDC | $0.9999 0.0004139 Eth | $13,412,557.00 5,552.579 ETH | 0.0000% |
21 | OKX | BTC-USDC | $1.00 0.0004136 Eth | $13,222,339.00 213.039 BTC | 0.0000% |
22 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $13,027,922.00 3,939,101.390 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0006% |
23 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $13,026,472.00 91,134.913 SO11111111111111111111111111111111111111112 | 0.0000% |
24 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $9,945,548.00 68,192,932.418 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0100% |
25 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004139 Eth | $9,741,076.00 68,108.438 SO11111111111111111111111111111111111111112 | 0.0000% |
26 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9995 0.0004136 Eth | $9,062,523.00 9,065,698.002 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0013% |
27 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $8,439,180.00 8,439,197.375 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0012% |
28 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9998 0.0004137 Eth | $7,859,336.00 7,859,350.849 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0012% |
29 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9999 0.0004137 Eth | $7,314,152.00 284,784.161 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0000% |
30 | Cube | BTC-USDC | $0.9999 0.0004138 Eth | $7,248,857.00 116.955 BTC | 0.0000% |
31 | Azbit | ETH-USDC | $0.9999 0.0004138 Eth | $6,916,209.00 2,867.911 ETH | 0.0000% |
32 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004136 Eth | $6,336,008.00 6,315,129.145 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0009% |
33 | Curve (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004137 Eth | $6,206,224.00 6,205,562.017 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0009% |
34 | Azbit | LTC-USDC | $0.9999 0.0004138 Eth | $6,069,614.00 92,435.200 LTC | 0.0000% |
35 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.00 0.0004140 Eth | $5,662,208.00 2,347.947 0X4200000000000000000000000000000000000006 | 0.0000% |
36 | Binance | PEPE-USDC | $1.00 0.0004136 Eth | $5,163,605.00 551,527,862,382.000 PEPE | 80.9327% |
37 | Hotcoin | ETH-USDC | $1.00 0.0004138 Eth | $4,500,668.00 1,861.279 ETH | 0.0000% |
38 | Bitget | BTC-USDC | $1.00 0.0004136 Eth | $4,397,337.00 70.847 BTC | 0.0000% |
39 | XT.COM | ETH-USDC | $1.00 0.0004139 Eth | $4,280,787.00 1,776.407 ETH | 0.0000% |
40 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004139 Eth | $4,006,322.00 28,041.435 SO11111111111111111111111111111111111111112 | 0.0000% |
41 | Coinbase Exchange | USDC-EUR | $1.00 0.0004140 Eth | $3,951,495.00 3,950,544.440 USDC | 0.0006% |
42 | Dexalot | AVAX-USDC | $1.00 0.0004133 Eth | $3,879,367.00 151,285.066 AVAX | 0.0000% |
43 | Bitget | ETH-USDC | $1.00 0.0004136 Eth | $3,784,889.00 1,569.425 ETH | 0.0000% |
44 | Binance | ARB-USDC | $1.00 0.0004133 Eth | $3,577,373.00 6,439,795.900 ARB | 0.0009% |
45 | Binance | FET-USDC | $1.00 0.0004133 Eth | $3,559,000.00 2,492,892.100 FET | 0.0004% |
46 | HTX | ETH-USDC | $1.00 0.0004136 Eth | $3,356,602.00 1,391.019 ETH | 0.0000% |
47 | HTX | BTC-USDC | $0.9998 0.0004137 Eth | $3,116,271.00 50.214 BTC | 0.0000% |
48 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004138 Eth | $3,062,987.00 3,061,339.027 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 0.0004% |
49 | Binance | WIF-USDC | $1.00 0.0004132 Eth | $3,055,237.00 1,328,115.710 WIF | 0.0002% |
50 | Raydium (CLMM) | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $1.00 0.0004136 Eth | $3,042,017.00 3,041,986.119 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0004% |
51 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004136 Eth | $2,844,553.00 19,921.831 SO11111111111111111111111111111111111111112 | 0.0000% |
52 | PointPay | BTC-USDC | $0.9999 0.0004137 Eth | $2,638,994.00 42.509 BTC | 0.0000% |
53 | Dexalot | ETH-USDC | $1.00 0.0004133 Eth | $2,479,593.00 1,028.151 ETH | 0.0000% |
54 | Dex-Trade | USDC-USDT | $0.9999 0.0004139 Eth | $2,214,750.00 2,214,945.000 USDC | 0.0003% |
55 | Binance | WLD-USDC | $0.9999 0.0004130 Eth | $2,198,250.00 1,205,974.500 WLD | 0.0002% |
56 | Binance | NEAR-USDC | $0.9999 0.0004139 Eth | $2,152,372.00 453,782.200 NEAR | 0.0001% |
57 | LBank | FIL-USDC | $0.9999 0.0004137 Eth | $1,995,882.00 550,506.821 FIL | 0.0001% |
58 | Dex-Trade | BTC-USDC | $0.9999 0.0004139 Eth | $1,894,326.00 30.554 BTC | 0.0000% |
59 | Bybit | SHIB-USDC | $1.00 0.0004136 Eth | $1,872,137.00 107,464,858,123.600 SHIB | 15.7697% |
60 | Binance | SEI-USDC | $1.00 0.0004132 Eth | $1,805,748.00 4,414,351.500 SEI | 0.0006% |
61 | Binance | SAGA-USDC | $1.00 0.0004136 Eth | $1,368,372.00 564,145.500 SAGA | 0.0001% |
62 | PointPay | USDC-USDT | $0.9998 0.0004136 Eth | $1,232,601.00 1,232,760.956 USDC | 0.0002% |
63 | Slex | ETH-USDC | $1.00 0.0004136 Eth | $1,198,591.00 497.291 ETH | 0.0000% |
64 | Hotcoin | USDC-USDT | $1.00 0.0004138 Eth | $1,109,497.00 1,109,461.000 USDC | 0.0002% |
65 | WhiteBIT | XRP-USDC | $0.9999 0.0004139 Eth | $1,027,129.00 1,932,731.500 XRP | 0.0003% |
66 | Bybit | AVAX-USDC | $1.00 0.0004136 Eth | $1,004,427.00 38,957.324 AVAX | 0.0000% |
67 | Dexalot | USDT-USDC | $1.00 0.0004133 Eth | $994,747.00 994,785.583 USDT | 0.0001% |
68 | PointPay | ETH-USDC | $0.9999 0.0004137 Eth | $986,359.00 409.325 ETH | 0.0000% |
69 | WhiteBIT | ADA-USDC | $0.9999 0.0004139 Eth | $915,390.00 2,605,920.800 ADA | 0.0004% |
70 | Binance | APT-USDC | $1.00 0.0004138 Eth | $887,230.00 99,738.690 APT | 0.0000% |
71 | Deribit Spot | ETH-USDC | $0.9999 0.0004138 Eth | $880,399.00 367.223 ETH | 0.0000% |
72 | Bybit | SUI-USDC | $1.00 0.0004136 Eth | $871,786.00 505,776.170 SUI | 0.0001% |
73 | Bybit | DOGE-USDC | $1.00 0.0004136 Eth | $849,487.00 7,781,520.000 DOGE | 0.0011% |
74 | OKX | XRP-USDC | $0.9998 0.0004137 Eth | $840,780.00 1,581,733.494 XRP | 0.0002% |
75 | BYDFi | XRP-USDC | $1.00 0.0004135 Eth | $820,088.00 1,540,979.000 XRP | 0.0002% |
76 | Cube | SOL-USDC | $0.9994 0.0004136 Eth | $753,781.00 5,285.664 SOL | 0.0000% |
77 | Backpack Exchange | SOL-USDC | $1.00 0.0004138 Eth | $728,685.00 5,086.780 SOL | 0.0000% |
78 | Deribit Spot | SOL-USDC | $0.9999 0.0004138 Eth | $702,930.00 4,917.600 SOL | 0.0000% |
79 | BYDFi | BTC-USDC | $0.9998 0.0004136 Eth | $701,716.00 11.321 BTC | 0.0000% |
80 | Dexalot | WBTC-USDC | $1.00 0.0004154 Eth | $691,910.00 11.167 WBTC | 0.0000% |
81 | Bybit | OP-USDC | $1.00 0.0004136 Eth | $593,138.00 368,899.850 OP | 0.0001% |
82 | PointPay | SOL-USDC | $0.9999 0.0004137 Eth | $583,875.00 4,078.711 SOL | 0.0000% |
83 | XT.COM | BTC-USDC | $1.00 0.0004139 Eth | $509,293.00 8.204 BTC | 0.0000% |
84 | Bybit | WLD-USDC | $1.00 0.0004136 Eth | $506,366.00 278,095.360 WLD | 0.0000% |
85 | PointPay | BNB-USDC | $0.9999 0.0004137 Eth | $437,796.00 778.874 BNB | 0.0000% |
86 | BYDFi | ETH-USDC | $0.9998 0.0004136 Eth | $433,277.00 179.274 ETH | 0.0000% |
87 | Dexalot | ARB-USDC | $1.00 0.0004133 Eth | $428,709.00 770,996.992 ARB | 0.0001% |
88 | BitMart | TUSD-USDC | $0.9998 0.0004137 Eth | $427,886.00 429,112.200 TUSD | 0.0001% |
89 | OKX | SHIB-USDC | $1.00 0.0004136 Eth | $386,571.00 22,210,537,846.000 SHIB | 3.2592% |
90 | OKX | NEAR-USDC | $1.00 0.0004136 Eth | $347,179.00 73,380.453 NEAR | 0.0000% |
91 | FameEX | USDC-USDT | $0.9999 0.0004139 Eth | $341,059.00 341,081.328 USDC | 0.0001% |
92 | Dex-Trade | SOL-USDC | $0.9999 0.0004139 Eth | $318,889.00 2,226.840 SOL | 0.0000% |
93 | OKX | DOGE-USDC | $1.00 0.0004136 Eth | $198,242.00 1,819,978.750 DOGE | 0.0003% |
94 | Bitstamp | USDC-USDT | $1.00 0.0004135 Eth | $187,150.00 187,135.763 USDC | 0.0000% |
95 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004147 Eth | $140,512.00 29,536.546 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
96 | Bitstamp | BTC-USDC | $0.9987 0.0004130 Eth | $138,913.00 2.240 BTC | 0.0000% |
97 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004147 Eth | $108,258.00 159,825.480 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0000% |
98 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004147 Eth | $101,941.00 14,988.439 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0000% |
99 | DeGate | 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004147 Eth | $73,096.00 100,202.840 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69 | 0.0000% |
100 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004147 Eth | $57,418.00 73,895.270 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 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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