Overview
Max Total Supply
30,670,405,698.107766 USDC
Holders
2,510,242 ( 0.032%)
Market
Price
$1.00 @ 0.000300 ETH (+0.09%)
Onchain Market Cap
$30,669,700,278.78
Circulating Supply Market Cap
$43,510,844,274.00
Other Info
Token Contract (WITH 6 Decimals)
Filtered by Token Holder
Binance Dep: 0xE99253dA51c59e27D34db420c41084AA0c2aa626Balance
0 USDCValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Azbit | BTC-USDC | $1.00 0.0003004 Eth | $362,915,008.00 3,731.309 BTC | 0.0000% |
2 | WEEX | BTC-USDC | $1.00 0.0003009 Eth | $250,652,599.00 2,621.591 BTC | 0.0000% |
3 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003000 Eth | $219,234,223.00 1,134,392.955 SO11111111111111111111111111111111111111112 | 0.0003% |
4 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9997 0.0003000 Eth | $184,160,249.00 187,576,176.005 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0436% |
5 | Binance | ETH-USDC | $0.9999 0.0003005 Eth | $155,805,120.00 45,848.644 ETH | 0.0000% |
6 | Bybit | BTC-USDC | $1.00 0.0003001 Eth | $148,525,518.00 1,530.291 BTC | 0.0000% |
7 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003000 Eth | $145,165,856.00 752,251.485 SO11111111111111111111111111111111111111112 | 0.0002% |
8 | DigiFinex | BTC-USDC | $1.001 0.0003003 Eth | $84,311,904.00 880.770 BTC | 0.0000% |
9 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9997 0.0003000 Eth | $62,728,816.00 18,112.330 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
10 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $0.9988 0.0002997 Eth | $48,598,496.00 49,616,433.494 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 0.0115% |
11 | Binance | SOL-USDC | $1.001 0.0003012 Eth | $46,841,490.00 243,139.158 SOL | 0.0001% |
12 | Binance | XRP-USDC | $1.00 0.0003001 Eth | $45,559,674.00 20,608,344.000 XRP | 0.0048% |
13 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $0.9994 0.0002999 Eth | $42,694,500.00 43,322,805.909 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0101% |
14 | DigiFinex | ETH-USDC | $1.001 0.0003003 Eth | $41,933,195.00 12,568.084 ETH | 0.0000% |
15 | Binance | FDUSD-USDC | $1.00 0.0003001 Eth | $39,351,331.00 39,283,062.000 FDUSD | 0.0091% |
16 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003001 Eth | $37,925,519.00 8,992,904.700 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0021% |
17 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003001 Eth | $36,356,999.00 937,571,985.730 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 0.2178% |
18 | WhiteBIT | BTC-USDC | $1.00 0.0003000 Eth | $32,951,772.00 344.607 BTC | 0.0000% |
19 | LBank | BTC-USDC | $1.00 0.0003001 Eth | $32,377,616.00 338.541 BTC | 0.0000% |
20 | OKX | ETH-USDC | $1.00 0.0003001 Eth | $31,172,216.00 9,155.700 ETH | 0.0000% |
21 | Biconomy.com | ETH-USDC | $1.00 0.0003004 Eth | $30,144,682.00 8,826.052 ETH | 0.0000% |
22 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9994 0.0002999 Eth | $24,630,742.00 7,242.368 0X4200000000000000000000000000000000000006 | 0.0000% |
23 | Kraken | USDC-USDT | $1.00 0.0003000 Eth | $23,387,847.00 23,388,579.292 USDC | 0.0054% |
24 | Azbit | ETH-USDC | $1.00 0.0003004 Eth | $23,108,176.00 6,799.081 ETH | 0.0000% |
25 | LBank | ETH-USDC | $1.00 0.0003001 Eth | $22,235,821.00 6,668.089 ETH | 0.0000% |
26 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9997 0.0003000 Eth | $21,126,386.00 214.265 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
27 | Biconomy.com | BTC-USDC | $1.00 0.0003001 Eth | $20,975,381.00 215.483 BTC | 0.0000% |
28 | XT.COM | ETH-USDC | $1.00 0.0003001 Eth | $19,491,167.00 5,734.469 ETH | 0.0000% |
29 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003000 Eth | $19,185,941.00 4,531,082.978 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0011% |
30 | WhiteBIT | ETH-USDC | $1.001 0.0003006 Eth | $18,467,500.00 5,540.093 ETH | 0.0000% |
31 | LFJ V2.2 (Avalanche) | 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0003001 Eth | $16,487,996.00 16,504,396.982 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7 | 0.0038% |
32 | Binance | ADA-USDC | $1.00 0.0003005 Eth | $15,924,430.00 17,998,387.200 ADA | 0.0042% |
33 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003000 Eth | $15,866,082.00 82,309.145 SO11111111111111111111111111111111111111112 | 0.0000% |
34 | Binance | BNB-USDC | $1.00 0.0003001 Eth | $13,446,883.00 19,200.760 BNB | 0.0000% |
35 | Hotcoin | ETH-USDC | $1.00 0.0003001 Eth | $13,342,359.00 3,999.867 ETH | 0.0000% |
36 | Deribit Spot | BTC-USDC | $0.9995 0.0003003 Eth | $13,296,185.00 136.765 BTC | 0.0000% |
37 | Dexalot | USDT-USDC | $1.00 0.0003005 Eth | $11,318,416.00 11,328,394.620 USDT | 0.0026% |
38 | Binance | PEPE-USDC | $0.9992 0.0003006 Eth | $7,633,133.00 429,062,921,744.000 PEPE | 99.6531% |
39 | KuCoin | BTC-USDC | $1.00 0.0003001 Eth | $6,720,198.00 70.314 BTC | 0.0000% |
40 | Binance | HBAR-USDC | $0.9992 0.0003006 Eth | $6,397,195.00 21,619,122.000 HBAR | 0.0050% |
41 | Dex-Trade | BTC-USDC | $1.00 0.0003000 Eth | $6,341,459.00 66.311 BTC | 0.0000% |
42 | OKX | XRP-USDC | $1.00 0.0003001 Eth | $5,983,470.00 2,706,553.453 XRP | 0.0006% |
43 | Coinbase Exchange | EURC-USDC | $1.00 0.0003000 Eth | $5,790,143.00 5,560,398.000 EURC | 0.0013% |
44 | QMall | ETH-USDC | $1.00 0.0003001 Eth | $5,753,146.00 1,693.314 ETH | 0.0000% |
45 | Dex-Trade | ETH-USDC | $1.00 0.0003003 Eth | $5,197,079.00 1,557.306 ETH | 0.0000% |
46 | Azbit | SOL-USDC | $1.00 0.0003001 Eth | $4,868,321.00 25,278.027 SOL | 0.0000% |
47 | KuCoin | ETH-USDC | $1.00 0.0003001 Eth | $4,841,722.00 1,452.831 ETH | 0.0000% |
48 | HTX | BTC-USDC | $1.00 0.0003001 Eth | $4,776,442.00 49.112 BTC | 0.0000% |
49 | OKX | USDT-USDC | $1.00 0.0003001 Eth | $4,738,676.00 4,743,783.251 USDT | 0.0011% |
50 | HTX | ETH-USDC | $1.00 0.0003001 Eth | $4,603,904.00 1,351.531 ETH | 0.0000% |
51 | Azbit | XRP-USDC | $1.00 0.0003001 Eth | $4,537,650.00 2,052,093.217 XRP | 0.0005% |
52 | Azbit | LTC-USDC | $1.00 0.0003001 Eth | $4,307,322.00 40,540.167 LTC | 0.0000% |
53 | BYDFi | BTC-USDC | $1.00 0.0003010 Eth | $4,276,586.00 44.779 BTC | 0.0000% |
54 | WhiteBIT | XRP-USDC | $1.00 0.0003000 Eth | $4,002,721.00 1,851,988.600 XRP | 0.0004% |
55 | BingX | DOGE-USDC | $1.00 0.0003001 Eth | $3,695,269.00 11,458,791.000 DOGE | 0.0027% |
56 | BYDFi | ETH-USDC | $1.001 0.0003011 Eth | $3,279,694.00 985.291 ETH | 0.0000% |
57 | Binance | AVAX-USDC | $0.9992 0.0003006 Eth | $3,239,242.00 84,019.620 AVAX | 0.0000% |
58 | Deribit Spot | STETH-USDC | $1.00 0.0003005 Eth | $3,139,672.00 924.864 STETH | 0.0000% |
59 | Deribit Spot | XRP-USDC | $1.00 0.0003001 Eth | $3,083,946.00 1,390,539.000 XRP | 0.0003% |
60 | XT.COM | BTC-USDC | $1.00 0.0003001 Eth | $2,995,420.00 30.806 BTC | 0.0000% |
61 | OKX | SOL-USDC | $1.00 0.0003001 Eth | $2,728,334.00 14,143.035 SOL | 0.0000% |
62 | Cube | BTC-USDC | $1.00 0.0003001 Eth | $2,666,377.00 27.460 BTC | 0.0000% |
63 | PointPay | ETH-USDC | $1.00 0.0003000 Eth | $2,541,584.00 748.358 ETH | 0.0000% |
64 | Binance | OP-USDC | $1.00 0.0003001 Eth | $2,518,096.00 1,373,896.080 OP | 0.0003% |
65 | tanX | BTC-USDC | $1.00 0.0003003 Eth | $2,465,317.00 25.353 BTC | 0.0000% |
66 | Binance | AAVE-USDC | $1.00 0.0003001 Eth | $2,456,873.00 7,059.637 AAVE | 0.0000% |
67 | OKX | HBAR-USDC | $1.00 0.0003001 Eth | $2,448,415.00 8,009,364.937 HBAR | 0.0019% |
68 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0003000 Eth | $2,440,622.00 2,440,491.593 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0006% |
69 | OrangeX | USDC-USDT | $1.00 0.0003000 Eth | $2,375,695.00 2,375,518.000 USDC | 0.0006% |
70 | Binance | DOT-USDC | $1.00 0.0003001 Eth | $2,140,045.00 298,157.710 DOT | 0.0001% |
71 | Binance | RUNE-USDC | $1.00 0.0003005 Eth | $2,032,182.00 412,255.900 RUNE | 0.0001% |
72 | Binance | LTC-USDC | $1.00 0.0003008 Eth | $1,920,596.00 18,172.371 LTC | 0.0000% |
73 | LBank | FIL-USDC | $1.00 0.0003000 Eth | $1,886,515.00 377,608.735 FIL | 0.0001% |
74 | KuCoin | USDT-USDC | $1.00 0.0003001 Eth | $1,861,074.00 1,862,629.250 USDT | 0.0004% |
75 | Vertex (Spot) | WBTC-USDC | $1.00 0.0003001 Eth | $1,805,871.00 18.652 WBTC | 0.0000% |
76 | Binance | TAO-USDC | $1.00 0.0003001 Eth | $1,629,776.00 3,373.482 TAO | 0.0000% |
77 | OKX | DOGE-USDC | $1.00 0.0003001 Eth | $1,598,013.00 4,949,709.450 DOGE | 0.0011% |
78 | Azbit | ADA-USDC | $1.00 0.0003001 Eth | $1,570,957.00 1,776,829.880 ADA | 0.0004% |
79 | Bybit | DOGE-USDC | $1.00 0.0003001 Eth | $1,436,987.00 4,435,867.400 DOGE | 0.0010% |
80 | Binance | GALA-USDC | $0.9993 0.0003009 Eth | $1,399,507.00 38,159,328.000 GALA | 0.0089% |
81 | WhiteBIT | ADA-USDC | $1.00 0.0003001 Eth | $1,364,617.00 1,578,509.100 ADA | 0.0004% |
82 | Binance | INJ-USDC | $1.001 0.0003006 Eth | $1,332,036.00 61,092.480 INJ | 0.0000% |
83 | Binance | NEAR-USDC | $1.00 0.0003011 Eth | $1,292,750.00 246,980.900 NEAR | 0.0001% |
84 | Binance | TRX-USDC | $1.00 0.0003001 Eth | $1,210,705.00 4,782,520.700 TRX | 0.0011% |
85 | Cube | SOL-USDC | $1.001 0.0003003 Eth | $1,168,277.00 6,049.957 SOL | 0.0000% |
86 | Biconomy.com | USDT-USDC | $1.00 0.0003005 Eth | $1,145,017.00 1,145,712.128 USDT | 0.0003% |
87 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9989 0.0002997 Eth | $907,449.00 257,048.087 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0001% |
88 | WEEX | AVAX-USDC | $0.9995 0.0003006 Eth | $801,934.00 21,349.494 AVAX | 0.0000% |
89 | Tokpie | DAI-USDC | $1.00 0.0003011 Eth | $747,025.00 746,965.660 DAI | 0.0002% |
90 | OKX | TON-USDC | $1.00 0.0003001 Eth | $516,595.00 89,618.810 TON | 0.0000% |
91 | PointPay | SOL-USDC | $1.00 0.0003001 Eth | $512,328.00 2,663.274 SOL | 0.0000% |
92 | DeGate | 0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002997 Eth | $509,538.00 719,877.030 0X4D1C297D39C5C1277964D0E3F8AA901493664530 | 0.0002% |
93 | DeGate | 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9989 0.0002997 Eth | $498,108.00 844,456.480 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F | 0.0002% |
94 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002996 Eth | $490,104.00 636,522.440 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0001% |
95 | OKX | AVAX-USDC | $1.00 0.0003001 Eth | $468,592.00 12,389.255 AVAX | 0.0000% |
96 | BingX | UNI-USDC | $1.00 0.0003001 Eth | $394,321.00 29,610.682 UNI | 0.0000% |
97 | DeGate | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002996 Eth | $334,038.00 351,090.678 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0001% |
98 | VALR | USDT-USDC | $0.9993 0.0003004 Eth | $332,362.00 332,808.022 USDT | 0.0001% |
99 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.002 0.0003006 Eth | $314,573.00 321,300.998 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0001% |
100 | DeGate | 0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9987 0.0002996 Eth | $296,066.00 318,867.998 0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | 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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