Overview
Max Total Supply
30,389,910,261.23065 USDC
Holders
2,507,905 ( 0.082%)
Market
Price
$1.00 @ 0.000286 ETH (+0.06%)
Onchain Market Cap
$30,389,910,261.23
Circulating Supply Market Cap
$43,151,905,400.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
15,500 USDCValue
$15,500.00 ( ~4.4394 Eth) [0.0001%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Azbit | BTC-USDC | $1.001 0.0002870 Eth | $444,344,900.00 4,596.862 BTC | 0.0000% |
2 | Binance | BTC-USDC | $0.9998 0.0002864 Eth | $371,354,765.00 3,843.095 BTC | 0.0000% |
3 | WEEX | BTC-USDC | $1.001 0.0002871 Eth | $251,575,430.00 2,550.572 BTC | 0.0000% |
4 | Bybit | USDC-USDT | $1.001 0.0002869 Eth | $223,506,889.00 223,141,280.660 USDC | 0.0345% |
5 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0002869 Eth | $193,691,047.00 56,236.617 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
6 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.001 0.0002870 Eth | $190,803,119.00 985,262.241 SO11111111111111111111111111111111111111112 | 0.0002% |
7 | Binance | ETH-USDC | $1.00 0.0002871 Eth | $175,210,063.00 50,889.343 ETH | 0.0000% |
8 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9993 0.0002865 Eth | $145,225,050.00 750,302.917 SO11111111111111111111111111111111111111112 | 0.0001% |
9 | Bybit | BTC-USDC | $0.9999 0.0002865 Eth | $140,288,907.00 1,454.713 BTC | 0.0000% |
10 | DigiFinex | BTC-USDC | $0.9998 0.0002864 Eth | $107,827,868.00 1,092.072 BTC | 0.0000% |
11 | OKX | BTC-USDC | $0.9998 0.0002864 Eth | $91,674,634.00 949.268 BTC | 0.0000% |
12 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.001 0.0002869 Eth | $91,172,661.00 91,029,712.161 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0141% |
13 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002865 Eth | $72,481,090.00 72,459,105.874 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 0.0112% |
14 | Binance | SOL-USDC | $0.9999 0.0002865 Eth | $65,048,151.00 335,753.675 SOL | 0.0001% |
15 | Curve (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.001 0.0002870 Eth | $63,219,921.00 63,142,403.717 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0098% |
16 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0002869 Eth | $62,776,366.00 649.236 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
17 | Binance | XRP-USDC | $0.9998 0.0002871 Eth | $51,197,626.00 22,384,686.000 XRP | 0.0035% |
18 | DigiFinex | ETH-USDC | $0.9998 0.0002864 Eth | $49,230,579.00 14,095.144 ETH | 0.0000% |
19 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $1.001 0.0002872 Eth | $48,532,484.00 47,903,039.048 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 0.0074% |
20 | Kraken | USDC-USD | $1.00 0.0002865 Eth | $46,318,923.00 46,318,922.651 USDC | 0.0072% |
21 | OKX | ETH-USDC | $0.9999 0.0002865 Eth | $42,417,686.00 12,293.817 ETH | 0.0000% |
22 | LBank | BTC-USDC | $1.00 0.0002871 Eth | $33,398,148.00 339.095 BTC | 0.0000% |
23 | WhiteBIT | BTC-USDC | $1.00 0.0002870 Eth | $28,971,250.00 293.710 BTC | 0.0000% |
24 | Azbit | ETH-USDC | $1.001 0.0002870 Eth | $25,717,407.00 7,466.713 ETH | 0.0000% |
25 | WEEX | XRP-USDC | $1.00 0.0002872 Eth | $25,044,759.00 10,847,258.702 XRP | 0.0017% |
26 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.001 0.0002870 Eth | $24,960,571.00 129,182.226 SO11111111111111111111111111111111111111112 | 0.0000% |
27 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.001 0.0002870 Eth | $23,267,069.00 5,516,114.815 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0009% |
28 | LBank | ETH-USDC | $1.00 0.0002870 Eth | $23,063,606.00 6,611.117 ETH | 0.0000% |
29 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.001 0.0002871 Eth | $22,794,479.00 6,616.330 0X4200000000000000000000000000000000000006 | 0.0000% |
30 | WEEX | DOGE-USDC | $0.9993 0.0002865 Eth | $22,506,443.00 68,432,344.000 DOGE | 0.0106% |
31 | XT.COM | ETH-USDC | $1.00 0.0002871 Eth | $21,912,240.00 6,364.666 ETH | 0.0000% |
32 | LFJ V2.2 (Avalanche) | 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.001 0.0002870 Eth | $21,343,866.00 21,355,164.579 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7 | 0.0033% |
33 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002871 Eth | $15,997,061.00 3,795,914.548 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0006% |
34 | Kraken | USDC-USDT | $1.00 0.0002865 Eth | $15,986,668.00 15,980,917.854 USDC | 0.0025% |
35 | Hotcoin | ETH-USDC | $1.00 0.0002871 Eth | $14,766,981.00 4,239.651 ETH | 0.0000% |
36 | WEEX | ETH-USDC | $0.9993 0.0002865 Eth | $14,134,642.00 4,107.619 ETH | 0.0000% |
37 | Kraken | BTC-USDC | $1.001 0.0002868 Eth | $13,590,889.00 137.647 BTC | 0.0000% |
38 | Dexalot | USDT-USDC | $0.9999 0.0002867 Eth | $12,671,429.00 12,687,520.252 USDT | 0.0020% |
39 | Binance | PEPE-USDC | $0.9999 0.0002865 Eth | $12,198,220.00 646,575,961,770.000 PEPE | 99.8782% |
40 | KuCoin | BTC-USDC | $1.001 0.0002870 Eth | $10,048,550.00 101.819 BTC | 0.0000% |
41 | Bybit | XRP-USDC | $0.9999 0.0002865 Eth | $9,832,946.00 4,296,278.200 XRP | 0.0007% |
42 | KuCoin | ETH-USDC | $1.001 0.0002870 Eth | $9,819,912.00 2,812.922 ETH | 0.0000% |
43 | Slex | ETH-USDC | $1.001 0.0002870 Eth | $8,799,266.00 2,554.705 ETH | 0.0000% |
44 | OKX | XRP-USDC | $0.9999 0.0002865 Eth | $7,368,465.00 3,221,717.090 XRP | 0.0005% |
45 | Coinbase Exchange | EURC-USDC | $0.9991 0.0002866 Eth | $6,981,723.00 6,721,546.000 EURC | 0.0010% |
46 | Azbit | SOL-USDC | $1.001 0.0002870 Eth | $6,766,624.00 34,923.243 SOL | 0.0000% |
47 | QMall | ETH-USDC | $1.00 0.0002869 Eth | $6,289,561.00 1,826.757 ETH | 0.0000% |
48 | Bitget | ETH-USDC | $0.9999 0.0002865 Eth | $5,788,395.00 1,683.999 ETH | 0.0000% |
49 | HTX | BTC-USDC | $1.00 0.0002864 Eth | $5,713,155.00 59.521 BTC | 0.0000% |
50 | Bitget | BTC-USDC | $0.9999 0.0002865 Eth | $5,556,076.00 57.963 BTC | 0.0000% |
51 | Azbit | XRP-USDC | $1.001 0.0002870 Eth | $5,023,589.00 2,194,560.910 XRP | 0.0003% |
52 | OKX | USDT-USDC | $0.9999 0.0002865 Eth | $4,954,038.00 4,959,751.246 USDT | 0.0008% |
53 | OKX | SOL-USDC | $0.9999 0.0002865 Eth | $4,728,678.00 24,341.613 SOL | 0.0000% |
54 | Deribit Spot | ETH-USDC | $1.001 0.0002870 Eth | $3,866,359.00 1,125.267 ETH | 0.0000% |
55 | WhiteBIT | XRP-USDC | $1.00 0.0002872 Eth | $3,852,772.00 1,670,412.500 XRP | 0.0003% |
56 | XT.COM | BTC-USDC | $1.00 0.0002871 Eth | $3,702,437.00 38.313 BTC | 0.0000% |
57 | HTX | USDC-USDT | $1.00 0.0002865 Eth | $3,676,148.00 3,674,139.439 USDC | 0.0006% |
58 | BingX | DOGE-USDC | $0.9998 0.0002864 Eth | $3,668,188.00 11,120,463.000 DOGE | 0.0017% |
59 | Tapbit | XRP-USDC | $1.00 0.0002871 Eth | $3,617,044.00 1,591,161.000 XRP | 0.0002% |
60 | Azbit | LTC-USDC | $1.001 0.0002870 Eth | $3,574,593.00 33,284.016 LTC | 0.0000% |
61 | Binance | AVAX-USDC | $1.00 0.0002873 Eth | $3,546,617.00 88,572.530 AVAX | 0.0000% |
62 | KuCoin | USDT-USDC | $1.001 0.0002870 Eth | $3,446,752.00 3,447,436.380 USDT | 0.0005% |
63 | Binance | AAVE-USDC | $1.00 0.0002871 Eth | $3,242,977.00 8,633.861 AAVE | 0.0000% |
64 | Binance | DOT-USDC | $0.9999 0.0002865 Eth | $3,240,917.00 437,172.850 DOT | 0.0001% |
65 | Deribit Spot | XRP-USDC | $1.001 0.0002870 Eth | $2,790,335.00 1,213,961.000 XRP | 0.0002% |
66 | Binance | OP-USDC | $1.00 0.0002871 Eth | $2,417,914.00 1,249,912.290 OP | 0.0002% |
67 | Binance | LTC-USDC | $1.00 0.0002873 Eth | $2,355,230.00 21,861.320 LTC | 0.0000% |
68 | Binance | ALGO-USDC | $1.00 0.0002870 Eth | $2,302,943.00 5,915,655.000 ALGO | 0.0009% |
69 | KuCoin | XRP-USDC | $1.001 0.0002870 Eth | $2,073,628.00 894,374.753 XRP | 0.0001% |
70 | LBank | FIL-USDC | $1.00 0.0002871 Eth | $1,991,404.00 366,731.977 FIL | 0.0001% |
71 | OKX | SUI-USDC | $0.9999 0.0002865 Eth | $1,945,221.00 417,908.039 SUI | 0.0001% |
72 | Binance | ENA-USDC | $1.00 0.0002870 Eth | $1,937,546.00 1,839,770.530 ENA | 0.0003% |
73 | Azbit | ADA-USDC | $1.00 0.0002869 Eth | $1,894,602.00 2,057,085.800 ADA | 0.0003% |
74 | Bybit | DOGE-USDC | $0.9999 0.0002865 Eth | $1,853,203.00 5,637,143.000 DOGE | 0.0009% |
75 | WhiteBIT | ADA-USDC | $1.001 0.0002870 Eth | $1,846,618.00 1,971,050.900 ADA | 0.0003% |
76 | BYDFi | XRP-USDC | $1.00 0.0002870 Eth | $1,789,919.00 774,027.000 XRP | 0.0001% |
77 | OKX | DOGE-USDC | $0.9999 0.0002865 Eth | $1,700,820.00 5,171,889.380 DOGE | 0.0008% |
78 | Binance | ARB-USDC | $0.9991 0.0002869 Eth | $1,699,343.00 2,103,890.200 ARB | 0.0003% |
79 | Bitget | SOL-USDC | $0.9999 0.0002865 Eth | $1,648,767.00 8,620.790 SOL | 0.0000% |
80 | Binance | NEAR-USDC | $0.9999 0.0002865 Eth | $1,628,770.00 295,878.500 NEAR | 0.0000% |
81 | WEEX | ADA-USDC | $0.9999 0.0002871 Eth | $1,500,007.00 1,610,336.268 ADA | 0.0002% |
82 | Bitget | XRP-USDC | $0.9999 0.0002865 Eth | $1,421,948.00 624,605.000 XRP | 0.0001% |
83 | Bybit | ADA-USDC | $0.9999 0.0002865 Eth | $1,408,238.00 1,532,057.560 ADA | 0.0002% |
84 | WEEX | BNB-USDC | $1.001 0.0002871 Eth | $1,271,152.00 1,838.075 BNB | 0.0000% |
85 | Cube | SOL-USDC | $1.00 0.0002871 Eth | $1,248,947.00 6,428.676 SOL | 0.0000% |
86 | Binance | INJ-USDC | $1.001 0.0002870 Eth | $1,232,861.00 53,490.030 INJ | 0.0000% |
87 | OKX | NEAR-USDC | $0.9999 0.0002865 Eth | $887,344.00 160,938.345 NEAR | 0.0000% |
88 | WEEX | AVAX-USDC | $1.001 0.0002871 Eth | $802,066.00 19,504.913 AVAX | 0.0000% |
89 | PointPay | SOL-USDC | $1.001 0.0002870 Eth | $721,234.00 3,720.271 SOL | 0.0000% |
90 | OKX | FIL-USDC | $0.9999 0.0002865 Eth | $664,692.00 124,969.318 FIL | 0.0000% |
91 | OKX | AVAX-USDC | $0.9999 0.0002865 Eth | $644,365.00 15,865.871 AVAX | 0.0000% |
92 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.001 0.0002867 Eth | $521,793.00 511,727.041 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0001% |
93 | WEEX | LTC-USDC | $1.00 0.0002864 Eth | $500,987.00 4,620.249 LTC | 0.0000% |
94 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002865 Eth | $488,457.00 605,109.200 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0001% |
95 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002865 Eth | $466,333.00 84,927.509 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
96 | WEEX | ARB-USDC | $1.001 0.0002871 Eth | $446,224.00 551,900.000 ARB | 0.0001% |
97 | DeGate | 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9982 0.0002863 Eth | $415,628.00 718,495.720 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F | 0.0001% |
98 | DeGate | 0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9982 0.0002863 Eth | $414,310.00 618,523.070 0X4D1C297D39C5C1277964D0E3F8AA901493664530 | 0.0001% |
99 | Azbit | DOT-USDC | $1.00 0.0002871 Eth | $319,179.00 43,050.492 DOT | 0.0000% |
100 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0002865 Eth | $279,897.00 280,539.293 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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