Overview
Max Total Supply
31,119,172,181.096937 USDC
Holders
2,519,388 ( -0.001%)
Market
Price
$1.00 @ 0.000299 ETH (-0.04%)
Onchain Market Cap
$31,116,309,217.26
Circulating Supply Market Cap
$43,949,129,966.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Azbit | BTC-USDC | $0.9998 0.0002987 Eth | $398,937,655.00 4,236.743 BTC | 0.0000% |
2 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9998 0.0002987 Eth | $297,036,397.00 297,760,850.432 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 0.0159% |
3 | Binance | BTC-USDC | $1.00 0.0002990 Eth | $279,582,955.00 2,968.328 BTC | 0.0000% |
4 | Bybit | USDC-USDT | $1.00 0.0002990 Eth | $216,241,312.00 216,341,599.300 USDC | 0.0115% |
5 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0002987 Eth | $200,391,544.00 1,035,767.228 SO11111111111111111111111111111111111111112 | 0.0001% |
6 | Bybit | BTC-USDC | $1.00 0.0002990 Eth | $157,266,769.00 1,670.470 BTC | 0.0000% |
7 | DigiFinex | BTC-USDC | $0.9996 0.0002989 Eth | $78,446,492.00 838.284 BTC | 0.0000% |
8 | OKX | BTC-USDC | $1.00 0.0002990 Eth | $74,029,534.00 786.243 BTC | 0.0000% |
9 | Binance | SOL-USDC | $1.00 0.0002990 Eth | $56,050,131.00 289,986.774 SOL | 0.0000% |
10 | Binance | XRP-USDC | $1.00 0.0002987 Eth | $49,967,627.00 23,923,740.000 XRP | 0.0013% |
11 | Bybit | ETH-USDC | $1.00 0.0002990 Eth | $45,782,647.00 13,589.109 ETH | 0.0000% |
12 | OKX | ETH-USDC | $1.00 0.0002990 Eth | $39,541,435.00 11,698.981 ETH | 0.0000% |
13 | Binance | PEPE-USDC | $1.00 0.0002990 Eth | $35,273,151.00 1,753,081,404,757.000 PEPE | 93.4707% |
14 | LFJ V2.2 (Avalanche) | 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0002987 Eth | $32,271,395.00 32,321,145.765 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7 | 0.0017% |
15 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0002987 Eth | $31,137,249.00 7,411,079.564 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0004% |
16 | LBank | BTC-USDC | $1.00 0.0002990 Eth | $31,016,240.00 331.326 BTC | 0.0000% |
17 | DigiFinex | ETH-USDC | $0.9996 0.0002989 Eth | $29,222,709.00 8,728.777 ETH | 0.0000% |
18 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002990 Eth | $28,246,135.00 6,715,870.398 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0004% |
19 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002991 Eth | $27,824,319.00 293.932 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
20 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002987 Eth | $27,162,857.00 140,760.589 SO11111111111111111111111111111111111111112 | 0.0000% |
21 | Uniswap V3 (Base) | 0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9986 0.0002987 Eth | $25,706,966.00 43,132,154.599 0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825 | 0.0023% |
22 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0002987 Eth | $21,365,918.00 110,555.092 SO11111111111111111111111111111111111111112 | 0.0000% |
23 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002987 Eth | $19,792,659.00 609,421,234.050 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 0.0325% |
24 | Binance | DOGE-USDC | $0.9998 0.0002987 Eth | $19,226,664.00 60,154,937.000 DOGE | 0.0032% |
25 | LBank | ETH-USDC | $1.00 0.0002990 Eth | $18,176,710.00 5,428.005 ETH | 0.0000% |
26 | Bybit | SOL-USDC | $1.00 0.0002990 Eth | $17,115,996.00 88,537.916 SOL | 0.0000% |
27 | Binance | FDUSD-USDC | $1.00 0.0002987 Eth | $16,004,296.00 16,036,414.000 FDUSD | 0.0009% |
28 | Binance | ADA-USDC | $1.00 0.0002987 Eth | $14,700,387.00 17,156,972.700 ADA | 0.0009% |
29 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002987 Eth | $13,804,971.00 71,602.381 SO11111111111111111111111111111111111111112 | 0.0000% |
30 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8 | $1.001 0.0002989 Eth | $13,700,832.00 13,689,481.073 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0007% |
31 | WhiteBIT | ETH-USDC | $0.9998 0.0002987 Eth | $13,116,609.00 3,920.953 ETH | 0.0000% |
32 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0002986 Eth | $12,843,266.00 356,577.901 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0000% |
33 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002989 Eth | $11,912,034.00 11,939,226.907 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0006% |
34 | Curve (Ethereum) | 0X6C3EA9036406852006290770BEDFCABA0E23A0E8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0002986 Eth | $10,749,258.00 10,777,764.227 0X6C3EA9036406852006290770BEDFCABA0E23A0E8 | 0.0006% |
35 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0002987 Eth | $10,647,180.00 10,652,392.488 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0006% |
36 | Azbit | ETH-USDC | $1.00 0.0002987 Eth | $10,541,159.00 3,122.160 ETH | 0.0000% |
37 | Kraken | BTC-USDC | $0.9995 0.0002989 Eth | $10,283,533.00 109.919 BTC | 0.0000% |
38 | Bybit | XRP-USDC | $1.00 0.0002990 Eth | $10,006,589.00 4,793,376.000 XRP | 0.0003% |
39 | WhiteBIT | BTC-USDC | $1.00 0.0002987 Eth | $8,647,567.00 92.377 BTC | 0.0000% |
40 | OKX | USDT-USDC | $1.00 0.0002990 Eth | $7,058,879.00 7,070,730.494 USDT | 0.0004% |
41 | Bitget | BTC-USDC | $1.00 0.0002990 Eth | $7,017,710.00 74.638 BTC | 0.0000% |
42 | Binance | PENGU-USDC | $1.00 0.0002987 Eth | $7,003,733.00 214,924,343.000 PENGU | 0.0115% |
43 | Dex-Trade | BTC-USDC | $0.9998 0.0002987 Eth | $6,018,634.00 64.353 BTC | 0.0000% |
44 | Azbit | SOL-USDC | $0.9998 0.0002987 Eth | $5,943,273.00 30,771.471 SOL | 0.0000% |
45 | Binance | LINK-USDC | $0.9998 0.0002987 Eth | $5,844,952.00 287,595.330 LINK | 0.0000% |
46 | OKX | XRP-USDC | $1.00 0.0002990 Eth | $5,261,221.00 2,515,312.899 XRP | 0.0001% |
47 | Slex | ETH-USDC | $0.9998 0.0002987 Eth | $5,244,209.00 1,554.084 ETH | 0.0000% |
48 | QMall | BTC-USDC | $1.00 0.0002986 Eth | $5,080,821.00 53.926 BTC | 0.0000% |
49 | Azbit | XRP-USDC | $0.9998 0.0002987 Eth | $4,990,334.00 2,390,147.847 XRP | 0.0001% |
50 | Bybit | SUI-USDC | $1.00 0.0002990 Eth | $4,751,016.00 1,126,733.850 SUI | 0.0001% |
51 | Deribit Spot | ETH-USDC | $1.00 0.0002987 Eth | $4,425,078.00 1,313.121 ETH | 0.0000% |
52 | Bitstamp | USDC-USD | $1.00 0.0002990 Eth | $3,992,265.00 3,992,305.007 USDC | 0.0002% |
53 | QMall | ETH-USDC | $1.00 0.0002990 Eth | $3,820,587.00 1,131.894 ETH | 0.0000% |
54 | Azbit | LTC-USDC | $1.00 0.0002987 Eth | $3,712,700.00 36,465.655 LTC | 0.0000% |
55 | OKX | SOL-USDC | $1.00 0.0002990 Eth | $3,559,683.00 18,433.863 SOL | 0.0000% |
56 | Dex-Trade | ETH-USDC | $0.9998 0.0002988 Eth | $3,554,114.00 1,062.312 ETH | 0.0000% |
57 | BingX | DOGE-USDC | $1.00 0.0002990 Eth | $3,421,685.00 10,723,295.000 DOGE | 0.0006% |
58 | Binance | ALGO-USDC | $1.00 0.0002987 Eth | $3,336,361.00 9,832,029.000 ALGO | 0.0005% |
59 | Deribit Spot | XRP-USDC | $1.00 0.0002988 Eth | $2,744,112.00 1,333,716.000 XRP | 0.0001% |
60 | Binance | WIF-USDC | $1.00 0.0002987 Eth | $2,716,465.00 1,452,893.020 WIF | 0.0001% |
61 | BYDFi | ETH-USDC | $1.00 0.0002986 Eth | $2,390,883.00 713.946 ETH | 0.0000% |
62 | Binance | FTM-USDC | $1.00 0.0002988 Eth | $2,380,477.00 3,393,152.000 FTM | 0.0002% |
63 | Binance | OP-USDC | $1.00 0.0002987 Eth | $2,307,709.00 1,284,251.770 OP | 0.0001% |
64 | Binance | ENA-USDC | $1.00 0.0002987 Eth | $2,124,010.00 2,280,469.480 ENA | 0.0001% |
65 | Backpack Exchange | SOL-USDC | $1.00 0.0002988 Eth | $2,054,390.00 10,569.900 SOL | 0.0000% |
66 | KuCoin | XRP-USDC | $0.999 0.0002988 Eth | $2,025,090.00 963,787.435 XRP | 0.0001% |
67 | Binance | DOT-USDC | $0.9998 0.0002988 Eth | $1,958,591.00 290,848.640 DOT | 0.0000% |
68 | LBank | FIL-USDC | $1.00 0.0002990 Eth | $1,954,874.00 394,618.040 FIL | 0.0000% |
69 | BYDFi | XRP-USDC | $1.00 0.0002987 Eth | $1,949,363.00 928,815.000 XRP | 0.0000% |
70 | tanX | BTC-USDC | $0.9998 0.0002987 Eth | $1,812,490.00 19.348 BTC | 0.0000% |
71 | Binance | RUNE-USDC | $0.9998 0.0002988 Eth | $1,727,331.00 378,843.800 RUNE | 0.0000% |
72 | OKX | PEPE-USDC | $1.00 0.0002990 Eth | $1,724,233.00 83,677,177,974.000 PEPE | 4.4615% |
73 | PointPay | ETH-USDC | $1.00 0.0002987 Eth | $1,719,598.00 509.209 ETH | 0.0000% |
74 | Azbit | ADA-USDC | $1.00 0.0002987 Eth | $1,462,252.00 1,706,201.370 ADA | 0.0001% |
75 | Binance | GALA-USDC | $0.9998 0.0002987 Eth | $1,432,886.00 41,103,183.000 GALA | 0.0022% |
76 | Bybit | DOGE-USDC | $1.00 0.0002990 Eth | $1,390,168.00 4,344,183.000 DOGE | 0.0002% |
77 | OKX | DOGE-USDC | $1.00 0.0002990 Eth | $1,299,765.00 4,086,700.450 DOGE | 0.0002% |
78 | Vertex (Spot) | WBTC-USDC | $0.9998 0.0002987 Eth | $1,191,587.00 12.656 WBTC | 0.0000% |
79 | Bybit | ADA-USDC | $1.00 0.0002990 Eth | $885,135.00 1,036,813.390 ADA | 0.0001% |
80 | WhiteBIT | ADA-USDC | $1.00 0.0002987 Eth | $876,591.00 1,029,718.500 ADA | 0.0001% |
81 | Dex-Trade | SOL-USDC | $0.9998 0.0002987 Eth | $872,459.00 4,600.584 SOL | 0.0000% |
82 | DeGate | 0X57E114B691DB790C35207B2E685D4A43181E6061-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $857,348.00 922,393.750 0X57E114B691DB790C35207B2E685D4A43181E6061 | 0.0000% |
83 | Bybit | SHIB-USDC | $1.00 0.0002990 Eth | $789,095.00 37,064,273,391.500 SHIB | 1.9762% |
84 | DeGate | 0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9975 0.0002980 Eth | $683,119.00 883,667.520 0X4D1C297D39C5C1277964D0E3F8AA901493664530 | 0.0000% |
85 | PointPay | SOL-USDC | $1.00 0.0002990 Eth | $611,784.00 3,163.582 SOL | 0.0000% |
86 | WhiteBIT | ARB-USDC | $1.00 0.0002990 Eth | $574,324.00 795,158.580 ARB | 0.0000% |
87 | DeGate | 0XC4441C2BE5D8FA8126822B9929CA0B81EA0DE38E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9975 0.0002980 Eth | $565,511.00 619,032.907 0XC4441C2BE5D8FA8126822B9929CA0B81EA0DE38E | 0.0000% |
88 | DeGate | 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9975 0.0002980 Eth | $497,497.00 863,798.450 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F | 0.0000% |
89 | OKX | TON-USDC | $1.00 0.0002990 Eth | $494,721.00 88,105.634 TON | 0.0000% |
90 | BingX | UNI-USDC | $1.00 0.0002990 Eth | $494,613.00 36,751.811 UNI | 0.0000% |
91 | DeGate | 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $369,735.00 8,185,001.000 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71 | 0.0004% |
92 | DeGate | 0XD533A949740BB3306D119CC777FA900BA034CD52-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $357,090.00 391,685.675 0XD533A949740BB3306D119CC777FA900BA034CD52 | 0.0000% |
93 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $353,223.00 482,716.220 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0000% |
94 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $319,608.00 63,644.688 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
95 | Solidly V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.00 0.0002986 Eth | $280,363.00 82.824 0X4200000000000000000000000000000000000006 | 0.0000% |
96 | LBank | DOT-USDC | $0.999 0.0002988 Eth | $258,702.00 38,957.578 DOT | 0.0000% |
97 | DeGate | 0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $211,467.00 300,033.094 0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | 0.0000% |
98 | Uniswap V3 (Ethereum) | 0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9937 0.0002969 Eth | $205,489.00 51.851 0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0 | 0.0000% |
99 | Azbit | DOT-USDC | $1.00 0.0002987 Eth | $199,102.00 29,555.589 DOT | 0.0000% |
100 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.998 0.0002981 Eth | $158,985.00 191,615.550 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 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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