Overview
Max Total Supply
25,103,037,921.585044 USDC
Holders
2,385,769 ( 0.051%)
Market
Price
$1.00 @ 0.000398 ETH (+0.12%)
Onchain Market Cap
$25,128,140,959.51
Circulating Supply Market Cap
$34,710,871,970.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0.029882 USDCValue
$0.03 ( ~1.19385646984671E-05 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $1.00 0.0003981 Eth | $758,815,982.00 11,111.019 BTC | 0.0024% |
2 | DigiFinex | BTC-USDC | $0.9999 0.0003980 Eth | $251,510,123.00 3,655.829 BTC | 0.0008% |
3 | Bybit | ETH-USDC | $1.00 0.0003981 Eth | $216,115,143.00 86,236.462 ETH | 0.0184% |
4 | Binance | BTC-USDC | $1.00 0.0003981 Eth | $155,194,297.00 2,270.145 BTC | 0.0005% |
5 | DigiFinex | ETH-USDC | $0.9999 0.0003980 Eth | $119,325,608.00 47,496.593 ETH | 0.0101% |
6 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9998 0.0003979 Eth | $108,358,125.00 43,186.684 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0092% |
7 | Bybit | USDC-USDT | $0.9998 0.0003980 Eth | $85,206,468.00 85,190,109.870 USDC | 18.2006% |
8 | Hotcoin | BTC-USDC | $1.001 0.0003982 Eth | $78,128,243.00 1,134.867 BTC | 0.0002% |
9 | Azbit | BTC-USDC | $1.00 0.0003981 Eth | $75,924,726.00 1,114.840 BTC | 0.0002% |
10 | Binance | ETH-USDC | $1.00 0.0003981 Eth | $74,399,956.00 29,664.085 ETH | 0.0063% |
11 | OKX | BTC-USDC | $1.00 0.0003981 Eth | $43,027,405.00 628.682 BTC | 0.0001% |
12 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $0.9992 0.0003977 Eth | $40,505,160.00 40,467,020.461 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 8.6456% |
13 | WhiteBIT | USDC-USDT | $1.001 0.0004006 Eth | $36,613,257.00 36,593,346.572 USDC | 7.8181% |
14 | OKX | ETH-USDC | $1.00 0.0003981 Eth | $36,012,093.00 14,344.794 ETH | 0.0031% |
15 | Dexalot | ETH-USDC | $1.00 0.0003984 Eth | $31,538,453.00 12,582.085 ETH | 0.0027% |
16 | LBank | BTC-USDC | $1.00 0.0003980 Eth | $29,417,959.00 427.524 BTC | 0.0001% |
17 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9997 0.0003979 Eth | $28,914,920.00 28,884,090.306 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 6.1710% |
18 | Velodrome SlipStream | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $1.003 0.0003991 Eth | $27,954,620.00 27,813,780.555 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 5.9423% |
19 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0003980 Eth | $25,512,458.00 25,489,973.793 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 5.4459% |
20 | Azbit | BNB-USDC | $1.001 0.0004003 Eth | $24,773,968.00 41,994.880 BNB | 0.0090% |
21 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003980 Eth | $24,535,024.00 6,965,544.923 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 1.4882% |
22 | Biconomy.com | ETH-USDC | $1.00 0.0003981 Eth | $22,741,022.00 9,091.120 ETH | 0.0019% |
23 | Hotcoin | ETH-USDC | $1.00 0.0003984 Eth | $20,958,918.00 8,344.200 ETH | 0.0018% |
24 | Bybit | SOL-USDC | $1.00 0.0003981 Eth | $20,913,537.00 118,879.518 SOL | 0.0254% |
25 | LBank | ETH-USDC | $1.00 0.0003980 Eth | $19,183,929.00 7,636.881 ETH | 0.0016% |
26 | Biconomy.com | BTC-USDC | $1.00 0.0003981 Eth | $15,982,401.00 234.354 BTC | 0.0001% |
27 | XT.COM | ETH-USDC | $1.00 0.0003981 Eth | $14,889,403.00 5,936.480 ETH | 0.0013% |
28 | LATOKEN | USDC-USDT | $0.9999 0.0003980 Eth | $13,861,199.00 13,862,488.494 USDC | 2.9617% |
29 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9998 0.0003979 Eth | $12,989,747.00 5,182.878 0X4200000000000000000000000000000000000006 | 0.0011% |
30 | Dexalot | WBTC-USDC | $1.00 0.0003980 Eth | $12,836,877.00 188.685 WBTC | 0.0000% |
31 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004004 Eth | $12,442,999.00 12,436,256.829 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 2.6570% |
32 | BingX | BTC-USDC | $1.00 0.0003980 Eth | $11,701,284.00 171.304 BTC | 0.0000% |
33 | LFJ V2.2 (Avalanche) | 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0003980 Eth | $11,420,440.00 11,433,514.177 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7 | 2.4427% |
34 | Kraken | USDC-USDT | $0.9999 0.0003980 Eth | $10,394,379.00 10,395,343.411 USDC | 2.2209% |
35 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0003981 Eth | $9,815,467.00 380,675.640 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0813% |
36 | PointPay | BTC-USDC | $0.9999 0.0003981 Eth | $9,350,594.00 136.680 BTC | 0.0000% |
37 | Hotcoin | USDC-USDT | $0.9998 0.0003980 Eth | $8,881,132.00 8,882,844.000 USDC | 1.8978% |
38 | Curve (Ethereum) | 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0003980 Eth | $8,853,258.00 8,857,791.400 0XF939E0A03FB07F59A73314E73794BE0E57AC1B4E | 1.8924% |
39 | Cube | BTC-USDC | $1.00 0.0003980 Eth | $7,627,855.00 111.570 BTC | 0.0000% |
40 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003980 Eth | $6,964,495.00 6,965,149.363 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 1.4881% |
41 | Coinstore | USDC-USDT | $1.00 0.0003981 Eth | $6,941,549.00 6,938,364.150 USDC | 1.4824% |
42 | Kraken | BTC-USDC | $0.9997 0.0003980 Eth | $6,412,837.00 93.206 BTC | 0.0000% |
43 | OKX | SOL-USDC | $1.00 0.0003981 Eth | $5,735,398.00 32,658.473 SOL | 0.0070% |
44 | Azbit | ETH-USDC | $1.00 0.0003983 Eth | $5,685,794.00 2,270.873 ETH | 0.0005% |
45 | Dex-Trade | BTC-USDC | $1.00 0.0003981 Eth | $5,287,884.00 76.889 BTC | 0.0000% |
46 | Binance | ARB-USDC | $1.00 0.0003979 Eth | $5,134,094.00 9,945,260.700 ARB | 2.1248% |
47 | HTX | ETH-USDC | $1.00 0.0003980 Eth | $4,910,470.00 1,961.451 ETH | 0.0004% |
48 | HTX | BTC-USDC | $1.00 0.0003980 Eth | $4,860,448.00 71.339 BTC | 0.0000% |
49 | Azbit | LTC-USDC | $1.00 0.0003981 Eth | $4,775,677.00 67,490.780 LTC | 0.0144% |
50 | WhiteBIT | BTC-USDC | $1.001 0.0004003 Eth | $4,742,471.00 69.232 BTC | 0.0000% |
51 | Binance | ADA-USDC | $0.9998 0.0003983 Eth | $4,315,669.00 12,798,515.200 ADA | 2.7344% |
52 | Binance | DOGE-USDC | $1.00 0.0003981 Eth | $4,211,229.00 29,057,287.000 DOGE | 6.2080% |
53 | Binance | RUNE-USDC | $1.00 0.0003984 Eth | $3,996,817.00 726,255.500 RUNE | 0.1552% |
54 | Bitget | BTC-USDC | $1.00 0.0003981 Eth | $3,838,862.00 56.376 BTC | 0.0000% |
55 | BingX | ETH-USDC | $1.00 0.0003980 Eth | $3,722,160.00 1,484.914 ETH | 0.0003% |
56 | Kraken | USDC-GBP | $0.9998 0.0003980 Eth | $3,706,772.00 3,707,610.266 USDC | 0.7921% |
57 | Bitget | ETH-USDC | $1.00 0.0003981 Eth | $3,511,202.00 1,402.739 ETH | 0.0003% |
58 | PointPay | ETH-USDC | $1.00 0.0003984 Eth | $3,251,290.00 1,296.088 ETH | 0.0003% |
59 | Dexalot | BTC-USDC | $1.00 0.0003980 Eth | $3,188,216.00 46.685 BTC | 0.0000% |
60 | OKX | USDT-USDC | $1.00 0.0003981 Eth | $3,151,356.00 3,154,738.499 USDT | 0.6740% |
61 | PointPay | SOL-USDC | $0.9999 0.0003981 Eth | $2,848,339.00 16,177.701 SOL | 0.0035% |
62 | Bybit | DOGE-USDC | $1.00 0.0003981 Eth | $2,696,034.00 18,633,536.800 DOGE | 3.9810% |
63 | Biconomy.com | USDT-USDC | $1.00 0.0003980 Eth | $2,681,793.00 2,684,601.763 USDT | 0.5736% |
64 | Dex-Trade | ETH-USDC | $1.00 0.0003981 Eth | $2,523,624.00 1,004.405 ETH | 0.0002% |
65 | OKX | DOGE-USDC | $1.00 0.0003981 Eth | $2,394,191.00 16,464,055.100 DOGE | 3.5175% |
66 | Coinbase Exchange | EURC-USDC | $1.00 0.0003981 Eth | $2,116,453.00 1,955,490.000 EURC | 0.4178% |
67 | BYDFi | BTC-USDC | $1.00 0.0004002 Eth | $1,906,298.00 27.815 BTC | 0.0000% |
68 | Binance | WIF-USDC | $1.00 0.0003980 Eth | $1,772,162.00 735,134.000 WIF | 0.1571% |
69 | WhiteBIT | XRP-USDC | $1.00 0.0003980 Eth | $1,722,341.00 3,349,189.100 XRP | 0.7155% |
70 | Dexalot | ARB-USDC | $1.00 0.0003984 Eth | $1,712,129.00 3,315,177.573 ARB | 0.7083% |
71 | Deribit Spot | ETH-USDC | $1.00 0.0003981 Eth | $1,657,814.00 659.617 ETH | 0.0001% |
72 | Bybit | XRP-USDC | $1.00 0.0003981 Eth | $1,597,998.00 3,092,949.600 XRP | 0.6608% |
73 | Bitcointry | BTC-USDC | $0.9999 0.0003981 Eth | $1,552,210.00 22.770 BTC | 0.0000% |
74 | Binance | SAGA-USDC | $1.00 0.0004002 Eth | $1,543,785.00 801,058.400 SAGA | 0.1711% |
75 | XT.COM | BTC-USDC | $1.00 0.0003991 Eth | $1,536,833.00 22.486 BTC | 0.0000% |
76 | VALR | USDT-USDC | $1.00 0.0003988 Eth | $1,467,387.00 1,468,409.344 USDT | 0.3137% |
77 | DeGate | ETH-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $1,462,551.00 582.767 ETH | 0.0001% |
78 | FameEX | USDC-USDT | $1.00 0.0003981 Eth | $1,453,625.00 1,453,151.872 USDC | 0.3105% |
79 | Vertex (Spot) | WBTC-USDC | $1.00 0.0003981 Eth | $1,298,609.00 19.032 WBTC | 0.0000% |
80 | Bybit | SUI-USDC | $1.00 0.0003981 Eth | $1,261,554.00 736,675.380 SUI | 0.1574% |
81 | OKX | XRP-USDC | $1.00 0.0003981 Eth | $954,842.00 1,849,500.645 XRP | 0.3951% |
82 | BingX | DOGE-USDC | $1.00 0.0003981 Eth | $928,986.00 6,415,600.223 DOGE | 1.3707% |
83 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0003980 Eth | $879,448.00 879,439.885 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.1879% |
84 | Binance | AAVE-USDC | $1.00 0.0003981 Eth | $848,410.00 5,645.200 AAVE | 0.0012% |
85 | Dex-Trade | SOL-USDC | $1.00 0.0003981 Eth | $813,099.00 4,656.016 SOL | 0.0010% |
86 | WhiteBIT | ADA-USDC | $1.00 0.0003981 Eth | $779,518.00 2,326,071.800 ADA | 0.4970% |
87 | Tokpie | USDT-USDC | $1.00 0.0003980 Eth | $778,992.00 778,778.700 USDT | 0.1664% |
88 | Binance | DOT-USDC | $1.00 0.0003981 Eth | $749,667.00 181,797.870 DOT | 0.0388% |
89 | BYDFi | XRP-USDC | $1.00 0.0003990 Eth | $681,340.00 1,327,544.000 XRP | 0.2836% |
90 | Bybit | AVAX-USDC | $1.00 0.0003981 Eth | $512,535.00 19,892.665 AVAX | 0.0043% |
91 | Bybit | APT-USDC | $1.00 0.0003981 Eth | $493,522.00 54,695.620 APT | 0.0117% |
92 | WEEX | XRP-USDC | $1.00 0.0003980 Eth | $484,631.00 938,379.000 XRP | 0.2005% |
93 | DeGate | 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $425,950.00 5,872,984.200 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71 | 1.2547% |
94 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $253,712.00 33,820.497 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0072% |
95 | Dexalot | EURC-USDC | $1.00 0.0003980 Eth | $243,457.00 225,267.313 EURC | 0.0481% |
96 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9989 0.0003974 Eth | $218,991.00 48,694.623 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0104% |
97 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X94B008AA00579C1307B0EF2C499AD98A8CE58E58 | $1.00 0.0003980 Eth | $194,007.00 193,954.204 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0414% |
98 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $175,471.00 244,329.160 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0522% |
99 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $173,930.00 336,867.550 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0720% |
100 | DeGate | 0X92D6C1E31E14520E676A687F0A93788B716BEFF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9991 0.0003979 Eth | $110,475.00 109,756.736 0X92D6C1E31E14520E676A687F0A93788B716BEFF5 | 0.0234% |
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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