Overview
Max Total Supply
25,818,133,862.960019 USDC
Holders
2,371,755 ( 0.000%)
Market
Price
$1.00 @ 0.000378 ETH (-0.01%)
Onchain Market Cap
$25,815,371,322.64
Circulating Supply Market Cap
$34,969,755,942.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | ETH-USDC | $0.9999 0.0003776 Eth | $108,154,149.00 40,909.803 ETH | 0.0001% |
2 | DigiFinex | BTC-USDC | $1.00 0.0003778 Eth | $106,305,663.00 1,553.623 BTC | 0.0000% |
3 | Azbit | BTC-USDC | $0.9999 0.0003775 Eth | $87,648,583.00 1,284.630 BTC | 0.0000% |
4 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $65,585,331.00 416,633.287 SO11111111111111111111111111111111111111112 | 0.0015% |
5 | Bybit | USDC-USDT | $1.00 0.0003777 Eth | $53,006,980.00 52,996,952.780 USDC | 0.1899% |
6 | DigiFinex | ETH-USDC | $1.00 0.0003778 Eth | $36,455,152.00 13,772.582 ETH | 0.0000% |
7 | Biconomy.com | ETH-USDC | $0.9999 0.0003775 Eth | $32,594,104.00 12,330.493 ETH | 0.0000% |
8 | Azbit | BNB-USDC | $0.9999 0.0003775 Eth | $29,029,573.00 48,632.522 BNB | 0.0002% |
9 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $27,380,685.00 174,035.910 SO11111111111111111111111111111111111111112 | 0.0006% |
10 | Dexalot | ETH-USDC | $0.9999 0.0003776 Eth | $22,582,490.00 8,542.161 ETH | 0.0000% |
11 | Binance | SOL-USDC | $0.9999 0.0003775 Eth | $20,227,486.00 128,279.706 SOL | 0.0005% |
12 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $16,985,472.00 108,606.368 SO11111111111111111111111111111111111111112 | 0.0004% |
13 | Bybit | SOL-USDC | $0.9999 0.0003776 Eth | $14,503,507.00 92,057.249 SOL | 0.0003% |
14 | Azbit | SOL-USDC | $0.9999 0.0003775 Eth | $13,248,999.00 84,310.821 SOL | 0.0003% |
15 | Biconomy.com | BTC-USDC | $0.9999 0.0003775 Eth | $12,282,461.00 180.001 BTC | 0.0000% |
16 | LBank | ETH-USDC | $0.9999 0.0003775 Eth | $10,606,693.00 4,005.585 ETH | 0.0000% |
17 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $9,735,732.00 9,738,560.233 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0349% |
18 | OKX | ETH-USDC | $0.9998 0.0003776 Eth | $9,439,255.00 3,571.034 ETH | 0.0000% |
19 | Raydium (CLMM) | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $9,115,699.00 9,110,341.788 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 0.0326% |
20 | Kraken | BTC-USDC | $1.00 0.0003777 Eth | $9,005,427.00 131.598 BTC | 0.0000% |
21 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0003778 Eth | $8,972,390.00 8,969,091.663 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0321% |
22 | WhiteBIT | ETH-USDC | $0.9999 0.0003775 Eth | $8,604,141.00 3,247.841 ETH | 0.0000% |
23 | WhiteBIT | BTC-USDC | $0.9999 0.0003775 Eth | $8,401,624.00 122.781 BTC | 0.0000% |
24 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $8,003,818.00 2,341,290.113 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0084% |
25 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $7,959,004.00 50,716.507 SO11111111111111111111111111111111111111112 | 0.0002% |
26 | Dexalot | WBTC-USDC | $0.9999 0.0003774 Eth | $7,450,406.00 109.476 WBTC | 0.0000% |
27 | Azbit | ETH-USDC | $0.9999 0.0003775 Eth | $6,902,181.00 2,611.270 ETH | 0.0000% |
28 | Azbit | LTC-USDC | $0.9999 0.0003775 Eth | $6,132,326.00 81,837.690 LTC | 0.0003% |
29 | Dexalot | AVAX-USDC | $0.9999 0.0003776 Eth | $6,121,370.00 218,714.958 AVAX | 0.0008% |
30 | Uniswap V3 (Celo) | 0XCEBA9300F2B948710D2653DD7B07F33A8B32118C-0X471ECE3750DA237F93B8E339C536989B8978A438 | $1.00 0.0003776 Eth | $6,050,801.00 6,215,647.244 0XCEBA9300F2B948710D2653DD7B07F33A8B32118C | 0.0223% |
31 | Uniswap V3 (Ethereum) | 0X6B175474E89094C44DA98B954EEDEAC495271D0F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9999 0.0003775 Eth | $5,621,448.00 5,621,605.568 0X6B175474E89094C44DA98B954EEDEAC495271D0F | 0.0201% |
32 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $5,489,501.00 62,486,637.048 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.2239% |
33 | Orca | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $4,911,370.00 4,895,958.844 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 0.0175% |
34 | Deribit Spot | SOL-USDC | $0.9999 0.0003774 Eth | $4,655,114.00 29,532.100 SOL | 0.0001% |
35 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $4,405,521.00 28,013.896 SO11111111111111111111111111111111111111112 | 0.0001% |
36 | Hotcoin | ETH-USDC | $0.9999 0.0003776 Eth | $4,374,482.00 1,653.153 ETH | 0.0000% |
37 | XT.COM | ETH-USDC | $0.9999 0.0003775 Eth | $4,172,985.00 1,578.442 ETH | 0.0000% |
38 | OKX | SOL-USDC | $0.9998 0.0003776 Eth | $4,157,248.00 26,302.383 SOL | 0.0001% |
39 | Dexalot | ARB-USDC | $0.9999 0.0003776 Eth | $3,721,087.00 6,574,126.630 ARB | 0.0236% |
40 | Binance | DOGE-USDC | $0.9999 0.0003776 Eth | $3,701,870.00 25,844,880.000 DOGE | 0.0926% |
41 | Bitget | ETH-USDC | $0.9999 0.0003776 Eth | $3,494,067.00 1,321.637 ETH | 0.0000% |
42 | Binance | ARB-USDC | $0.9999 0.0003773 Eth | $3,461,569.00 6,126,678.800 ARB | 0.0220% |
43 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $3,439,983.00 21,930.457 SO11111111111111111111111111111111111111112 | 0.0001% |
44 | Orca | J3NKXXXZCNNIMJKW9HYB2K4LUXGWB6T1FTPTQVSV3KFR-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $3,243,987.00 5,411,891.682 J3NKXXXZCNNIMJKW9HYB2K4LUXGWB6T1FTPTQVSV3KFR | 0.0194% |
45 | HTX | BTC-USDC | $0.9998 0.0003775 Eth | $3,207,735.00 47.011 BTC | 0.0000% |
46 | HTX | ETH-USDC | $0.9999 0.0003775 Eth | $3,162,750.00 1,196.547 ETH | 0.0000% |
47 | Camelot V3 | 0X912CE59144191C1204E64559FE8253A0E49E6548-0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | $1.00 0.0003776 Eth | $3,111,504.00 5,496,463.411 0X912CE59144191C1204E64559FE8253A0E49E6548 | 0.0197% |
48 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $3,065,509.00 896,759.050 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0032% |
49 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003775 Eth | $2,610,325.00 16,597.606 SO11111111111111111111111111111111111111112 | 0.0001% |
50 | Binance | WLD-USDC | $0.9999 0.0003775 Eth | $2,371,009.00 971,563.100 WLD | 0.0035% |
51 | Bybit | DOGE-USDC | $0.9999 0.0003776 Eth | $2,093,860.00 14,647,472.000 DOGE | 0.0525% |
52 | LBank | FIL-USDC | $0.9999 0.0003775 Eth | $2,031,628.00 533,848.954 FIL | 0.0019% |
53 | Biconomy.com | USDT-USDC | $0.9999 0.0003775 Eth | $1,953,439.00 1,953,702.198 USDT | 0.0070% |
54 | Deribit Spot | BTC-USDC | $0.9996 0.0003774 Eth | $1,680,728.00 24.644 BTC | 0.0000% |
55 | OKX | DOGE-USDC | $0.9998 0.0003776 Eth | $1,628,126.00 11,408,225.840 DOGE | 0.0409% |
56 | Binance | FLOKI-USDC | $0.9999 0.0003775 Eth | $1,509,769.00 9,466,764,721.000 FLOKI | 33.9226% |
57 | Cube | SOL-USDC | $0.9993 0.0003772 Eth | $1,425,121.00 9,036.357 SOL | 0.0000% |
58 | Binance | WIF-USDC | $0.9999 0.0003774 Eth | $1,399,265.00 533,257.790 WIF | 0.0019% |
59 | Slex | ETH-USDC | $0.9999 0.0003776 Eth | $1,151,081.00 435.385 ETH | 0.0000% |
60 | PointPay | ETH-USDC | $0.9999 0.0003776 Eth | $994,009.00 375.977 ETH | 0.0000% |
61 | Bybit | XRP-USDC | $0.9999 0.0003776 Eth | $960,651.00 1,768,829.410 XRP | 0.0063% |
62 | Coinbase Exchange | EURC-USDC | $0.9998 0.0003775 Eth | $955,182.00 878,141.000 EURC | 0.0031% |
63 | PointPay | SOL-USDC | $0.9999 0.0003775 Eth | $896,610.00 5,685.084 SOL | 0.0000% |
64 | Binance | FET-USDC | $0.9999 0.0003776 Eth | $857,965.00 613,474.100 FET | 0.0022% |
65 | BingX | DOGE-USDC | $0.9999 0.0003776 Eth | $836,968.00 5,847,778.464 DOGE | 0.0210% |
66 | BYDFi | XRP-USDC | $0.9999 0.0003774 Eth | $823,081.00 1,519,606.000 XRP | 0.0054% |
67 | Binance | APT-USDC | $0.9999 0.0003775 Eth | $796,168.00 81,751.200 APT | 0.0003% |
68 | Bybit | SUI-USDC | $0.9999 0.0003776 Eth | $774,231.00 375,563.580 SUI | 0.0013% |
69 | Binance | ZRO-USDC | $0.9999 0.0003775 Eth | $597,999.00 156,797.910 ZRO | 0.0006% |
70 | Binance | PEOPLE-USDC | $0.9999 0.0003775 Eth | $521,040.00 6,137,620.300 PEOPLE | 0.0220% |
71 | WEEX | DOGE-USDC | $0.9999 0.0003776 Eth | $501,086.00 3,509,329.616 DOGE | 0.0126% |
72 | BingX | UNI-USDC | $0.9999 0.0003776 Eth | $444,544.00 60,205.765 UNI | 0.0002% |
73 | Binance | BOME-USDC | $0.9999 0.0003775 Eth | $437,323.00 46,428,637.000 BOME | 0.1664% |
74 | BYDFi | ETH-USDC | $0.9999 0.0003776 Eth | $429,784.00 162.438 ETH | 0.0000% |
75 | BitMart | TUSD-USDC | $0.9998 0.0003775 Eth | $426,331.00 427,434.200 TUSD | 0.0015% |
76 | Dex-Trade | SOL-USDC | $0.9999 0.0003775 Eth | $421,437.00 2,650.423 SOL | 0.0000% |
77 | WhiteBIT | ADA-USDC | $0.9999 0.0003776 Eth | $401,235.00 1,144,529.800 ADA | 0.0041% |
78 | Bybit | ADA-USDC | $0.9999 0.0003776 Eth | $387,338.00 1,102,946.800 ADA | 0.0040% |
79 | PointPay | SUI-USDC | $0.9999 0.0003776 Eth | $363,595.00 176,472.966 SUI | 0.0006% |
80 | Bybit | LTC-USDC | $0.9999 0.0003776 Eth | $355,646.00 4,744.571 LTC | 0.0000% |
81 | OKX | SHIB-USDC | $0.9998 0.0003776 Eth | $344,681.00 18,121,689,931.000 SHIB | 64.9361% |
82 | Bybit | AVAX-USDC | $0.9999 0.0003776 Eth | $329,666.00 11,775.137 AVAX | 0.0000% |
83 | Tokpie | USDT-USDC | $0.9999 0.0003774 Eth | $329,380.00 329,382.380 USDT | 0.0012% |
84 | Bybit | APT-USDC | $0.9999 0.0003776 Eth | $311,459.00 31,982.840 APT | 0.0001% |
85 | OKX | NEAR-USDC | $0.9998 0.0003776 Eth | $308,123.00 64,139.672 NEAR | 0.0002% |
86 | KuCoin | DOGE-USDC | $0.9998 0.0003775 Eth | $300,165.00 2,097,476.033 DOGE | 0.0075% |
87 | OKX | LTC-USDC | $0.9998 0.0003776 Eth | $293,504.00 3,884.218 LTC | 0.0000% |
88 | Bybit | OP-USDC | $0.9999 0.0003776 Eth | $270,108.00 159,875.700 OP | 0.0006% |
89 | KuCoin | SOL-USDC | $0.9998 0.0003775 Eth | $253,608.00 1,594.865 SOL | 0.0000% |
90 | Binance | IO-USDC | $0.9999 0.0003775 Eth | $228,098.00 124,113.600 IO | 0.0004% |
91 | Bybit | LINK-USDC | $0.9999 0.0003776 Eth | $179,422.00 15,785.122 LINK | 0.0001% |
92 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0003778 Eth | $163,674.00 34,365.766 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0001% |
93 | DeGate | 0X163F8C2467924BE0AE7B5347228CABF260318753-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0003778 Eth | $159,578.00 65,382.060 0X163F8C2467924BE0AE7B5347228CABF260318753 | 0.0002% |
94 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0003777 Eth | $137,702.00 164,746.380 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0006% |
95 | tanX | USDT-USDC | $0.9998 0.0003779 Eth | $119,725.00 119,759.000 USDT | 0.0004% |
96 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003777 Eth | $112,476.00 23,391.667 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0001% |
97 | DeGate | 0XB64EF51C888972C908CFACF59B47C1AFBC0AB8AC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0003777 Eth | $104,777.00 175,654.020 0XB64EF51C888972C908CFACF59B47C1AFBC0AB8AC | 0.0006% |
98 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003777 Eth | $100,893.00 113,028.910 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 0.0004% |
99 | DeGate | 0X57E114B691DB790C35207B2E685D4A43181E6061-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003777 Eth | $77,165.00 192,874.530 0X57E114B691DB790C35207B2E685D4A43181E6061 | 0.0007% |
100 | DeGate | 0X25F8087EAD173B73D6E8B84329989A8EEA16CF73-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003777 Eth | $68,510.00 123,342.110 0X25F8087EAD173B73D6E8B84329989A8EEA16CF73 | 0.0004% |
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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