Overview
Max Total Supply
25,092,512,631.55611 USDC
Holders
2,379,760 ( 0.003%)
Market
Price
$1.00 @ 0.000400 ETH
Onchain Market Cap
$25,092,512,631.56
Circulating Supply Market Cap
$34,483,122,251.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | DigiFinex | BTC-USDC | $0.9998 0.0004001 Eth | $322,791,756.00 4,761.791 BTC | 0.0000% |
2 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004002 Eth | $207,149,837.00 1,182,537.719 SO11111111111111111111111111111111111111112 | 0.0003% |
3 | DigiFinex | ETH-USDC | $0.9998 0.0004001 Eth | $134,240,663.00 53,747.866 ETH | 0.0000% |
4 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004003 Eth | $119,251,218.00 47,214.058 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
5 | WEEX | BTC-USDC | $1.00 0.0004005 Eth | $100,590,596.00 1,482.959 BTC | 0.0000% |
6 | Hotcoin | BTC-USDC | $1.00 0.0004009 Eth | $98,392,334.00 1,450.542 BTC | 0.0000% |
7 | Azbit | BTC-USDC | $1.00 0.0004004 Eth | $95,884,661.00 1,416.750 BTC | 0.0000% |
8 | Binance | ETH-USDC | $0.9998 0.0004011 Eth | $84,660,656.00 33,519.010 ETH | 0.0000% |
9 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004002 Eth | $75,869,015.00 432,960.546 SO11111111111111111111111111111111111111112 | 0.0001% |
10 | Tapbit | ETH-USDC | $1.00 0.0004004 Eth | $70,544,316.00 27,916.951 ETH | 0.0000% |
11 | LBank | USDC-USDT | $0.9999 0.0004002 Eth | $68,488,295.00 68,496,310.440 USDC | 0.0187% |
12 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9997 0.0004001 Eth | $39,058,274.00 39,066,415.466 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0107% |
13 | Tapbit | BTC-USDC | $1.00 0.0004010 Eth | $35,933,903.00 530.967 BTC | 0.0000% |
14 | Azbit | BNB-USDC | $1.00 0.0004002 Eth | $32,644,527.00 55,129.885 BNB | 0.0000% |
15 | Bitunix | USDC-USDT | $0.9998 0.0004002 Eth | $31,937,621.00 31,943,577.792 USDC | 0.0087% |
16 | Dexalot | ETH-USDC | $0.9997 0.0003976 Eth | $31,379,994.00 12,396.348 ETH | 0.0000% |
17 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004002 Eth | $27,375,543.00 27,374,923.561 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0075% |
18 | OKX | USDC-USDT | $1.00 0.0004003 Eth | $27,365,531.00 27,354,381.638 USDC | 0.0075% |
19 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $1.00 0.0004002 Eth | $26,211,400.00 26,119,300.620 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0071% |
20 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004002 Eth | $25,996,714.00 7,386,439.197 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0020% |
21 | Hotcoin | ETH-USDC | $0.9998 0.0004006 Eth | $22,920,432.00 9,180.722 ETH | 0.0000% |
22 | Biconomy.com | ETH-USDC | $0.9998 0.0004010 Eth | $22,025,376.00 8,712.728 ETH | 0.0000% |
23 | Orca | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $0.9995 0.0004000 Eth | $21,241,358.00 21,248,672.131 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0058% |
24 | LBank | ETH-USDC | $0.9998 0.0004002 Eth | $19,711,635.00 7,888.221 ETH | 0.0000% |
25 | WhiteBIT | ETH-USDC | $0.9999 0.0004014 Eth | $19,704,071.00 7,909.014 ETH | 0.0000% |
26 | Biconomy.com | BTC-USDC | $1.00 0.0004005 Eth | $18,116,605.00 267.676 BTC | 0.0000% |
27 | XT.COM | ETH-USDC | $0.9999 0.0004015 Eth | $17,021,685.00 6,737.880 ETH | 0.0000% |
28 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004002 Eth | $16,860,311.00 16,860,295.667 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0046% |
29 | Azbit | SOL-USDC | $0.9998 0.0004011 Eth | $16,303,540.00 93,073.419 SOL | 0.0000% |
30 | PointPay | BTC-USDC | $1.00 0.0004005 Eth | $12,552,081.00 185.465 BTC | 0.0000% |
31 | Dexalot | AVAX-USDC | $0.9997 0.0003976 Eth | $11,750,231.00 439,248.777 AVAX | 0.0001% |
32 | Deribit Spot | SOL-USDC | $1.00 0.0004002 Eth | $11,082,422.00 63,784.900 SOL | 0.0000% |
33 | WhiteBIT | BTC-USDC | $1.00 0.0004005 Eth | $10,796,520.00 159.240 BTC | 0.0000% |
34 | Cube | BTC-USDC | $0.9997 0.0004009 Eth | $10,792,734.00 159.193 BTC | 0.0000% |
35 | Dexalot | WBTC-USDC | $0.9997 0.0004004 Eth | $10,739,608.00 159.517 WBTC | 0.0000% |
36 | Kraken | BTC-USDC | $1.001 0.0004005 Eth | $10,645,222.00 156.943 BTC | 0.0000% |
37 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004003 Eth | $9,297,368.00 137.343 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
38 | PancakeSwap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004002 Eth | $8,301,052.00 8,299,493.587 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0023% |
39 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004002 Eth | $7,362,108.00 42,013.140 SO11111111111111111111111111111111111111112 | 0.0000% |
40 | Azbit | ETH-USDC | $0.9999 0.0004015 Eth | $7,055,476.00 2,790.834 ETH | 0.0000% |
41 | Orca | CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004002 Eth | $6,707,804.00 8,746,213.202 CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP | 0.0024% |
42 | Dex-Trade | BTC-USDC | $0.9999 0.0004016 Eth | $6,688,285.00 98.816 BTC | 0.0000% |
43 | Azbit | LTC-USDC | $1.00 0.0004005 Eth | $6,539,612.00 92,619.820 LTC | 0.0000% |
44 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004002 Eth | $5,689,879.00 84.826 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
45 | Uniswap V3 (Celo) | 0XCEBA9300F2B948710D2653DD7B07F33A8B32118C-0X471ECE3750DA237F93B8E339C536989B8978A438 | $0.999 0.0003998 Eth | $5,635,840.00 5,791,197.050 0XCEBA9300F2B948710D2653DD7B07F33A8B32118C | 0.0016% |
46 | Cetus | 0XDBA34672E30CB065B1F93E3AB55318768FD6FEF66C15942C9F7CB846E2F900E7::USDC::USDC-0X2::SUI::SUI | $0.9994 0.0004000 Eth | $5,591,516.00 5,763,175.738 0XDBA34672E30CB065B1F93E3AB55318768FD6FEF66C15942C9F7CB846E2F900E7::USDC::USDC | 0.0016% |
47 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004002 Eth | $5,286,516.00 68,685,570.840 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0188% |
48 | Binance | ARB-USDC | $0.9999 0.0004014 Eth | $4,933,051.00 8,835,582.200 ARB | 0.0024% |
49 | Slex | ETH-USDC | $1.00 0.0004005 Eth | $4,306,910.00 1,705.204 ETH | 0.0000% |
50 | PointPay | ETH-USDC | $1.00 0.0004009 Eth | $3,730,982.00 1,476.813 ETH | 0.0000% |
51 | Binance | PEPE-USDC | $0.9998 0.0004011 Eth | $3,554,426.00 360,260,882,852.000 PEPE | 98.4806% |
52 | Slex | BTC-USDC | $0.9997 0.0004004 Eth | $3,509,872.00 51.873 BTC | 0.0000% |
53 | Deribit Spot | ETH-USDC | $1.00 0.0004004 Eth | $3,488,711.00 1,380.985 ETH | 0.0000% |
54 | Dex-Trade | ETH-USDC | $1.00 0.0004005 Eth | $2,845,538.00 1,138.680 ETH | 0.0000% |
55 | Binance | WIF-USDC | $0.9999 0.0004014 Eth | $2,831,109.00 1,118,070.500 WIF | 0.0003% |
56 | Dexalot | ARB-USDC | $0.9997 0.0003976 Eth | $2,637,386.00 4,708,023.732 ARB | 0.0013% |
57 | Biconomy.com | USDT-USDC | $0.9998 0.0004015 Eth | $2,613,545.00 2,615,893.154 USDT | 0.0007% |
58 | PointPay | SOL-USDC | $1.00 0.0004005 Eth | $2,473,555.00 14,116.622 SOL | 0.0000% |
59 | BYDFi | BTC-USDC | $0.9999 0.0004010 Eth | $2,399,010.00 35.427 BTC | 0.0000% |
60 | Coinbase Exchange | USDC-GBP | $0.9997 0.0004001 Eth | $2,378,652.00 2,379,336.620 USDC | 0.0007% |
61 | KuCoin | USDT-USDC | $1.00 0.0004002 Eth | $2,368,543.00 2,369,727.540 USDT | 0.0006% |
62 | Coinbase Exchange | EURC-USDC | $0.9998 0.0004002 Eth | $2,361,692.00 2,181,841.000 EURC | 0.0006% |
63 | Binance US | BTC-USDC | $1.00 0.0004017 Eth | $2,330,843.00 34.420 BTC | 0.0000% |
64 | Dexalot | BTC-USDC | $0.9997 0.0004004 Eth | $2,306,901.00 34.119 BTC | 0.0000% |
65 | Bitcointry | BTC-USDC | $0.9998 0.0004010 Eth | $1,972,451.00 29.138 BTC | 0.0000% |
66 | LBank | FIL-USDC | $0.9998 0.0004015 Eth | $1,971,645.00 538,059.220 FIL | 0.0001% |
67 | XT.COM | BTC-USDC | $1.00 0.0004010 Eth | $1,957,775.00 28.927 BTC | 0.0000% |
68 | BYDFi | ETH-USDC | $0.9998 0.0004011 Eth | $1,567,120.00 628.339 ETH | 0.0000% |
69 | Vertex (Spot) | WBTC-USDC | $0.9997 0.0004010 Eth | $1,347,543.00 19.964 WBTC | 0.0000% |
70 | Binance | FET-USDC | $1.00 0.0004010 Eth | $1,153,308.00 859,085.100 FET | 0.0002% |
71 | Bybit | XRP-USDC | $1.00 0.0004002 Eth | $1,150,147.00 2,176,824.170 XRP | 0.0006% |
72 | VALR | USDT-USDC | $0.9998 0.0004010 Eth | $1,082,826.00 1,083,590.192 USDT | 0.0003% |
73 | WhiteBIT | XRP-USDC | $0.9999 0.0004015 Eth | $1,066,425.00 2,032,123.900 XRP | 0.0006% |
74 | OKX | XRP-USDC | $1.00 0.0004002 Eth | $1,025,780.00 1,939,230.545 XRP | 0.0005% |
75 | Binance | WLD-USDC | $0.9997 0.0004010 Eth | $983,477.00 449,214.900 WLD | 0.0001% |
76 | Dex-Trade | SOL-USDC | $1.00 0.0004019 Eth | $917,563.00 5,286.766 SOL | 0.0000% |
77 | Binance | RUNE-USDC | $0.9999 0.0004014 Eth | $851,286.00 160,171.500 RUNE | 0.0000% |
78 | Binance | PEOPLE-USDC | $0.9998 0.0004006 Eth | $845,978.00 10,393,974.100 PEOPLE | 0.0028% |
79 | Binance | FLOKI-USDC | $0.9998 0.0004010 Eth | $745,486.00 5,137,427,755.000 FLOKI | 1.4044% |
80 | Tokpie | USDT-USDC | $0.9997 0.0004004 Eth | $738,649.00 738,789.160 USDT | 0.0002% |
81 | KuCoin | SOL-USDC | $1.00 0.0004002 Eth | $693,647.00 3,986.936 SOL | 0.0000% |
82 | BYDFi | XRP-USDC | $0.9997 0.0004004 Eth | $671,336.00 1,277,463.000 XRP | 0.0003% |
83 | WEEX | XRP-USDC | $0.9999 0.0004016 Eth | $577,040.00 1,090,797.000 XRP | 0.0003% |
84 | Bitcointry | SOL-USDC | $1.00 0.0004002 Eth | $560,777.00 3,196.167 SOL | 0.0000% |
85 | Deribit Spot | XRP-USDC | $0.9997 0.0004004 Eth | $550,461.00 1,041,367.000 XRP | 0.0003% |
86 | tanX | ETH-USDC | $1.00 0.0004015 Eth | $514,578.00 203.402 ETH | 0.0000% |
87 | WEEX | DOGE-USDC | $0.9999 0.0004016 Eth | $500,915.00 3,572,238.988 DOGE | 0.0010% |
88 | Dexalot | EURC-USDC | $0.9997 0.0004004 Eth | $485,551.00 449,289.506 EURC | 0.0001% |
89 | Binance | OP-USDC | $0.9998 0.0004010 Eth | $435,154.00 255,531.130 OP | 0.0001% |
90 | BitMart | TUSD-USDC | $1.00 0.0004005 Eth | $426,209.00 428,125.800 TUSD | 0.0001% |
91 | Cube | SOL-USDC | $1.00 0.0004012 Eth | $393,934.00 2,252.682 SOL | 0.0000% |
92 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9989 0.0004003 Eth | $320,165.00 99,318.978 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0000% |
93 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9982 0.0004004 Eth | $300,660.00 61,564.818 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0000% |
94 | Bybit | TRX-USDC | $1.00 0.0004002 Eth | $226,305.00 1,382,970.400 TRX | 0.0004% |
95 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0004017 Eth | $218,074.00 27,001.060 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0000% |
96 | tanX | USDT-USDC | $0.9998 0.0004010 Eth | $210,407.00 210,616.000 USDT | 0.0001% |
97 | OKX | AVAX-USDC | $1.00 0.0004002 Eth | $198,162.00 7,416.809 AVAX | 0.0000% |
98 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9982 0.0004004 Eth | $197,031.00 242,060.220 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0001% |
99 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9985 0.0004003 Eth | $148,996.00 32,099.468 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
100 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9982 0.0004004 Eth | $140,922.00 252,562.010 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0001% |
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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