Feature Tip: Add private address tag to any address under My Name Tag !
Overview
Max Total Supply
30,400,444,991.940258 USDC
Holders
2,507,860 (0.00%)
Market
Price
$1.00 @ 0.000288 ETH (-0.16%)
Onchain Market Cap
$30,383,420,742.74
Circulating Supply Market Cap
$43,153,807,037.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
3 USDCValue
$3.00 ( ~0.000864552912685879 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | USDC-USDT | $0.9999 0.0002883 Eth | $1,178,893,100.00 1,178,592,802.000 USDC | 0.1847% |
2 | Azbit | BTC-USDC | $1.00 0.0002881 Eth | $442,179,045.00 4,564.145 BTC | 0.0000% |
3 | Bybit | USDC-USDT | $1.001 0.0002879 Eth | $224,523,399.00 224,162,537.740 USDC | 0.0351% |
4 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002885 Eth | $199,814,196.00 1,026,941.904 SO11111111111111111111111111111111111111112 | 0.0002% |
5 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0002879 Eth | $182,540,432.00 52,820.611 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
6 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002882 Eth | $151,417,637.00 777,827.790 SO11111111111111111111111111111111111111112 | 0.0001% |
7 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9999 0.0002874 Eth | $150,289,289.00 1,557.026 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0000% |
8 | Bybit | BTC-USDC | $1.002 0.0002881 Eth | $139,996,013.00 1,444.699 BTC | 0.0000% |
9 | DigiFinex | BTC-USDC | $0.9997 0.0002874 Eth | $105,964,175.00 1,080.473 BTC | 0.0000% |
10 | OKX | BTC-USDC | $0.9998 0.0002874 Eth | $92,812,152.00 958.790 BTC | 0.0000% |
11 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002876 Eth | $70,713,618.00 70,673,632.331 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 0.0111% |
12 | Binance | SOL-USDC | $0.9994 0.0002884 Eth | $67,056,831.00 344,789.145 SOL | 0.0001% |
13 | Binance | XRP-USDC | $1.00 0.0002884 Eth | $49,876,746.00 21,760,352.000 XRP | 0.0034% |
14 | DigiFinex | ETH-USDC | $0.9997 0.0002874 Eth | $47,822,945.00 13,784.210 ETH | 0.0000% |
15 | OKX | USDC-USDT | $1.001 0.0002879 Eth | $46,328,000.00 46,247,302.564 USDC | 0.0072% |
16 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002885 Eth | $43,078,026.00 1,276,183,058.984 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 0.2000% |
17 | OKX | ETH-USDC | $1.002 0.0002880 Eth | $40,601,222.00 11,718.116 ETH | 0.0000% |
18 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $1.001 0.0002876 Eth | $40,433,982.00 39,933,247.504 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0063% |
19 | Kraken | USDC-USD | $1.00 0.0002875 Eth | $40,046,519.00 40,046,519.447 USDC | 0.0063% |
20 | Bitunix | USDC-USDT | $1.00 0.0002883 Eth | $34,535,715.00 34,532,730.745 USDC | 0.0054% |
21 | Velodrome SlipStream | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $1.001 0.0002889 Eth | $34,418,075.00 34,198,941.974 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0054% |
22 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.002 0.0002881 Eth | $34,238,570.00 34,101,264.929 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0053% |
23 | LBank | BTC-USDC | $0.9998 0.0002881 Eth | $33,035,595.00 337.150 BTC | 0.0000% |
24 | Biconomy.com | ETH-USDC | $1.002 0.0002880 Eth | $31,492,795.00 9,125.635 ETH | 0.0000% |
25 | Curve (Ethereum) | 0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0002883 Eth | $30,158,622.00 30,122,572.112 0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110 | 0.0047% |
26 | WhiteBIT | BTC-USDC | $1.00 0.0002881 Eth | $28,266,791.00 287.932 BTC | 0.0000% |
27 | Hotcoin | BTC-USDC | $0.9993 0.0002884 Eth | $27,450,850.00 280.774 BTC | 0.0000% |
28 | Azbit | ETH-USDC | $1.00 0.0002881 Eth | $25,314,420.00 7,331.088 ETH | 0.0000% |
29 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002885 Eth | $25,105,662.00 129,441.207 SO11111111111111111111111111111111111111112 | 0.0000% |
30 | WEEX | XRP-USDC | $1.00 0.0002881 Eth | $25,061,505.00 10,888,628.580 XRP | 0.0017% |
31 | Biconomy.com | BTC-USDC | $1.002 0.0002880 Eth | $23,901,264.00 246.977 BTC | 0.0000% |
32 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002885 Eth | $22,780,972.00 5,395,904.746 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0008% |
33 | WEEX | DOGE-USDC | $1.00 0.0002882 Eth | $22,776,061.00 69,000,997.000 DOGE | 0.0108% |
34 | LBank | ETH-USDC | $1.002 0.0002880 Eth | $22,500,740.00 6,465.041 ETH | 0.0000% |
35 | WhiteBIT | ETH-USDC | $0.9998 0.0002882 Eth | $19,797,235.00 5,709.029 ETH | 0.0000% |
36 | Binance | ADA-USDC | $0.9999 0.0002884 Eth | $19,276,194.00 20,887,767.800 ADA | 0.0033% |
37 | Binance | DOGE-USDC | $1.002 0.0002881 Eth | $17,425,032.00 52,492,023.000 DOGE | 0.0082% |
38 | WEEX | ETH-USDC | $1.001 0.0002883 Eth | $13,897,416.00 4,024.442 ETH | 0.0000% |
39 | Kraken | BTC-USDC | $0.9999 0.0002875 Eth | $13,186,400.00 134.339 BTC | 0.0000% |
40 | Deribit Spot | BTC-USDC | $0.9999 0.0002883 Eth | $12,733,506.00 132.032 BTC | 0.0000% |
41 | Dexalot | USDT-USDC | $0.9996 0.0002883 Eth | $12,069,495.00 12,087,573.687 USDT | 0.0019% |
42 | Binance | PEPE-USDC | $0.9997 0.0002882 Eth | $11,990,287.00 634,656,392,061.000 PEPE | 99.4796% |
43 | KuCoin | BTC-USDC | $1.001 0.0002882 Eth | $9,981,802.00 101.749 BTC | 0.0000% |
44 | KuCoin | ETH-USDC | $1.001 0.0002882 Eth | $9,637,931.00 2,773.845 ETH | 0.0000% |
45 | Slex | ETH-USDC | $0.9998 0.0002874 Eth | $8,701,549.00 2,520.899 ETH | 0.0000% |
46 | Dex-Trade | BTC-USDC | $1.00 0.0002887 Eth | $8,050,416.00 82.232 BTC | 0.0000% |
47 | OKX | XRP-USDC | $1.002 0.0002880 Eth | $7,134,406.00 3,104,166.575 XRP | 0.0005% |
48 | Azbit | SOL-USDC | $1.002 0.0002881 Eth | $6,970,386.00 35,755.613 SOL | 0.0000% |
49 | Coinbase Exchange | EURC-USDC | $1.00 0.0002881 Eth | $6,892,096.00 6,629,763.000 EURC | 0.0010% |
50 | QMall | ETH-USDC | $0.9999 0.0002881 Eth | $6,077,247.00 1,760.178 ETH | 0.0000% |
51 | HTX | BTC-USDC | $1.002 0.0002880 Eth | $5,646,913.00 58.517 BTC | 0.0000% |
52 | Bitget | BTC-USDC | $0.9998 0.0002874 Eth | $5,577,374.00 57.994 BTC | 0.0000% |
53 | Bitget | ETH-USDC | $0.9998 0.0002874 Eth | $5,492,864.00 1,595.505 ETH | 0.0000% |
54 | OKX | SOL-USDC | $1.002 0.0002880 Eth | $5,182,053.00 26,485.463 SOL | 0.0000% |
55 | HTX | ETH-USDC | $1.002 0.0002880 Eth | $5,019,874.00 1,456.284 ETH | 0.0000% |
56 | Azbit | XRP-USDC | $1.00 0.0002881 Eth | $4,883,666.00 2,129,939.217 XRP | 0.0003% |
57 | Binance | FTM-USDC | $1.00 0.0002885 Eth | $4,776,403.00 4,909,988.000 FTM | 0.0008% |
58 | PointPay | BTC-USDC | $0.9999 0.0002884 Eth | $4,570,495.00 47.040 BTC | 0.0000% |
59 | BingX | DOGE-USDC | $0.9998 0.0002874 Eth | $3,925,211.00 11,861,375.000 DOGE | 0.0019% |
60 | WhiteBIT | XRP-USDC | $1.00 0.0002881 Eth | $3,785,253.00 1,643,729.300 XRP | 0.0003% |
61 | Deribit Spot | ETH-USDC | $1.00 0.0002884 Eth | $3,727,861.00 1,082.517 ETH | 0.0000% |
62 | XT.COM | BTC-USDC | $1.00 0.0002885 Eth | $3,689,366.00 38.084 BTC | 0.0000% |
63 | Azbit | LTC-USDC | $1.00 0.0002881 Eth | $3,650,119.00 33,927.365 LTC | 0.0000% |
64 | BYDFi | ETH-USDC | $1.002 0.0002881 Eth | $3,601,491.00 1,035.764 ETH | 0.0000% |
65 | KuCoin | USDT-USDC | $1.001 0.0002882 Eth | $3,406,725.00 3,407,496.020 USDT | 0.0005% |
66 | Cube | BTC-USDC | $0.9996 0.0002883 Eth | $3,216,764.00 33.289 BTC | 0.0000% |
67 | Binance | DOT-USDC | $0.9999 0.0002884 Eth | $3,138,932.00 422,823.200 DOT | 0.0001% |
68 | Binance | AAVE-USDC | $0.9999 0.0002884 Eth | $3,138,927.00 8,371.467 AAVE | 0.0000% |
69 | OrangeX | USDC-USDT | $1.00 0.0002884 Eth | $2,901,321.00 2,900,339.000 USDC | 0.0005% |
70 | PointPay | ETH-USDC | $1.00 0.0002880 Eth | $2,820,130.00 816.589 ETH | 0.0000% |
71 | Deribit Spot | XRP-USDC | $1.002 0.0002881 Eth | $2,765,166.00 1,199,779.000 XRP | 0.0002% |
72 | Binance | LTC-USDC | $0.9998 0.0002881 Eth | $2,451,579.00 22,718.648 LTC | 0.0000% |
73 | Binance | OP-USDC | $0.9997 0.0002884 Eth | $2,379,208.00 1,228,598.770 OP | 0.0002% |
74 | Binance | ALGO-USDC | $0.9999 0.0002883 Eth | $2,292,725.00 5,880,037.000 ALGO | 0.0009% |
75 | WEEX | SUI-USDC | $1.00 0.0002884 Eth | $2,005,476.00 438,190.595 SUI | 0.0001% |
76 | LBank | FIL-USDC | $1.00 0.0002881 Eth | $1,991,151.00 365,259.479 FIL | 0.0001% |
77 | KuCoin | XRP-USDC | $1.001 0.0002882 Eth | $1,949,464.00 849,081.706 XRP | 0.0001% |
78 | Binance | ENA-USDC | $0.9999 0.0002883 Eth | $1,901,144.00 1,806,797.890 ENA | 0.0003% |
79 | Azbit | ADA-USDC | $1.00 0.0002881 Eth | $1,887,627.00 2,044,633.430 ADA | 0.0003% |
80 | Bybit | DOGE-USDC | $0.9998 0.0002874 Eth | $1,865,469.00 5,654,814.100 DOGE | 0.0009% |
81 | Binance | GALA-USDC | $0.9998 0.0002881 Eth | $1,849,670.00 47,736,343.000 GALA | 0.0075% |
82 | OKX | DOGE-USDC | $1.002 0.0002880 Eth | $1,785,973.00 5,391,855.330 DOGE | 0.0008% |
83 | BYDFi | XRP-USDC | $0.9998 0.0002883 Eth | $1,775,586.00 773,630.000 XRP | 0.0001% |
84 | Binance | RENDER-USDC | $1.00 0.0002884 Eth | $1,677,653.00 215,613.120 RENDER | 0.0000% |
85 | Binance | NEAR-USDC | $0.9998 0.0002881 Eth | $1,579,770.00 286,632.300 NEAR | 0.0000% |
86 | WEEX | ADA-USDC | $1.00 0.0002885 Eth | $1,500,545.00 1,617,130.647 ADA | 0.0003% |
87 | Bitget | SOL-USDC | $0.9998 0.0002874 Eth | $1,437,593.00 7,497.310 SOL | 0.0000% |
88 | Bitget | XRP-USDC | $0.9998 0.0002874 Eth | $1,415,848.00 621,345.000 XRP | 0.0001% |
89 | Cube | SOL-USDC | $0.9997 0.0002884 Eth | $1,408,769.00 7,204.762 SOL | 0.0000% |
90 | WEEX | BNB-USDC | $1.00 0.0002884 Eth | $1,188,916.00 1,718.166 BNB | 0.0000% |
91 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9972 0.0002872 Eth | $1,151,595.00 296,712.252 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0000% |
92 | Deribit Spot | STETH-USDC | $1.00 0.0002887 Eth | $983,974.00 287.070 STETH | 0.0000% |
93 | OKX | ADA-USDC | $1.002 0.0002880 Eth | $859,977.00 926,837.684 ADA | 0.0001% |
94 | WEEX | AVAX-USDC | $1.00 0.0002884 Eth | $801,547.00 19,464.807 AVAX | 0.0000% |
95 | Vertex (Spot) | WBTC-USDC | $1.00 0.0002881 Eth | $727,583.00 7.512 WBTC | 0.0000% |
96 | OKX | FIL-USDC | $1.002 0.0002880 Eth | $645,121.00 120,392.434 FIL | 0.0000% |
97 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.001 0.0002879 Eth | $490,086.00 485,758.377 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0001% |
98 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9972 0.0002872 Eth | $482,336.00 597,054.170 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0001% |
99 | WEEX | ARB-USDC | $1.00 0.0002884 Eth | $429,268.00 530,123.000 ARB | 0.0001% |
100 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0002876 Eth | $308,572.00 309,139.959 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 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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