Overview
Max Total Supply
30,391,000,395.570835 USDC
Holders
2,509,811 (0.00%)
Market
Price
$1.00 @ 0.000287 ETH (-0.16%)
Onchain Market Cap
$30,341,007,199.92
Circulating Supply Market Cap
$43,177,755,271.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0 USDCValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Aerodrome SlipStream | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9995 0.0002873 Eth | $448,134,334.00 128,777.878 0X4200000000000000000000000000000000000006 | 0.0086% |
2 | Azbit | BTC-USDC | $0.9999 0.0002873 Eth | $302,347,460.00 3,068.046 BTC | 0.0002% |
3 | WEEX | BTC-USDC | $1.00 0.0002866 Eth | $251,549,499.00 2,527.958 BTC | 0.0002% |
4 | Binance | BTC-USDC | $0.9999 0.0002875 Eth | $247,503,773.00 2,511.385 BTC | 0.0002% |
5 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002875 Eth | $145,031,369.00 41,629.171 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0028% |
6 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.001 0.0002875 Eth | $138,732,405.00 1,407.531 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0001% |
7 | Binance | ETH-USDC | $1.001 0.0002865 Eth | $127,164,068.00 36,450.586 ETH | 0.0024% |
8 | Bybit | BTC-USDC | $0.9996 0.0002874 Eth | $108,254,671.00 1,099.674 BTC | 0.0001% |
9 | DigiFinex | BTC-USDC | $1.00 0.0002875 Eth | $71,148,202.00 718.748 BTC | 0.0000% |
10 | Curve (Ethereum) | 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002873 Eth | $52,002,619.00 51,982,537.772 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5 | 3.4585% |
11 | Curve (Ethereum) | 0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0002875 Eth | $51,182,601.00 51,142,724.137 0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110 | 3.4027% |
12 | Binance | SOL-USDC | $0.9996 0.0002869 Eth | $48,473,860.00 244,499.766 SOL | 0.0163% |
13 | Binance | FDUSD-USDC | $0.9999 0.0002849 Eth | $41,858,026.00 41,752,141.000 FDUSD | 2.7779% |
14 | DigiFinex | ETH-USDC | $1.00 0.0002875 Eth | $34,870,961.00 10,024.556 ETH | 0.0007% |
15 | Velodrome SlipStream | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $1.004 0.0002884 Eth | $32,252,803.00 32,162,200.908 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 2.1398% |
16 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002873 Eth | $31,978,965.00 872,862,466.048 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 58.0740% |
17 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.005 0.0002889 Eth | $25,574,583.00 25,556,114.834 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 1.7003% |
18 | WhiteBIT | BTC-USDC | $0.9999 0.0002873 Eth | $22,259,827.00 224.762 BTC | 0.0000% |
19 | Biconomy.com | BTC-USDC | $0.9999 0.0002873 Eth | $20,745,283.00 210.711 BTC | 0.0000% |
20 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9995 0.0002873 Eth | $19,333,254.00 5,556.708 0X4200000000000000000000000000000000000006 | 0.0004% |
21 | LBank | ETH-USDC | $0.9998 0.0002863 Eth | $19,306,418.00 5,533.450 ETH | 0.0004% |
22 | Azbit | ETH-USDC | $0.9998 0.0002871 Eth | $18,978,505.00 5,444.084 ETH | 0.0004% |
23 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002874 Eth | $18,282,211.00 4,292,515.675 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.2856% |
24 | Binance | DOGE-USDC | $0.9999 0.0002849 Eth | $17,555,775.00 52,704,197.000 DOGE | 3.5066% |
25 | Cetus | 0XDBA34672E30CB065B1F93E3AB55318768FD6FEF66C15942C9F7CB846E2F900E7::USDC::USDC-0X2::SUI::SUI | $1.00 0.0002876 Eth | $17,086,120.00 17,478,824.844 0XDBA34672E30CB065B1F93E3AB55318768FD6FEF66C15942C9F7CB846E2F900E7::USDC::USDC | 1.1629% |
26 | Hotcoin | BTC-USDC | $0.9994 0.0002871 Eth | $16,781,909.00 169.402 BTC | 0.0000% |
27 | XT.COM | ETH-USDC | $1.00 0.0002873 Eth | $15,932,754.00 4,569.983 ETH | 0.0003% |
28 | WhiteBIT | ETH-USDC | $1.001 0.0002863 Eth | $15,647,677.00 4,476.851 ETH | 0.0003% |
29 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.004 0.0002886 Eth | $15,345,959.00 375,592.269 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0250% |
30 | Uniswap V3 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9999 0.0002875 Eth | $13,091,971.00 321,245.666 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0214% |
31 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002874 Eth | $12,439,870.00 62,770.409 SO11111111111111111111111111111111111111112 | 0.0042% |
32 | SushiSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9993 0.0002873 Eth | $11,739,842.00 3,373.241 0X4200000000000000000000000000000000000006 | 0.0002% |
33 | Uniswap V3 (Base) | 0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9911 0.0002849 Eth | $10,724,861.00 32,894,084.595 0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825 | 2.1885% |
34 | Hotcoin | ETH-USDC | $1.001 0.0002862 Eth | $9,600,312.00 2,744.647 ETH | 0.0002% |
35 | Dexalot | USDT-USDC | $1.00 0.0002855 Eth | $9,311,825.00 9,315,781.990 USDT | 0.6198% |
36 | KuCoin | BTC-USDC | $0.9999 0.0002874 Eth | $8,921,661.00 90.120 BTC | 0.0000% |
37 | Meteora | 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002873 Eth | $8,244,796.00 224,845,496.026 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV | 14.9596% |
38 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $0.9999 0.0002873 Eth | $7,037,026.00 7,043,248.208 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.4686% |
39 | Meteora | 3NZ9JMVBMGAQOCYBIC2C7LQCJSCMGSAZ6VQQTDZCQMJH-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0002873 Eth | $6,448,791.00 65.659 3NZ9JMVBMGAQOCYBIC2C7LQCJSCMGSAZ6VQQTDZCQMJH | 0.0000% |
40 | KuCoin | ETH-USDC | $0.9999 0.0002874 Eth | $5,617,242.00 1,615.172 ETH | 0.0001% |
41 | HTX | BTC-USDC | $0.9999 0.0002874 Eth | $5,094,902.00 51.762 BTC | 0.0000% |
42 | HTX | ETH-USDC | $0.9999 0.0002874 Eth | $4,762,807.00 1,368.369 ETH | 0.0001% |
43 | QMall | ETH-USDC | $0.9996 0.0002874 Eth | $4,459,479.00 1,279.536 ETH | 0.0001% |
44 | Deribit Spot | ETH-USDC | $1.00 0.0002865 Eth | $4,333,625.00 1,245.746 ETH | 0.0001% |
45 | Dex-Trade | ETH-USDC | $0.9996 0.0002862 Eth | $4,319,941.00 1,238.304 ETH | 0.0001% |
46 | BingX | DOGE-USDC | $0.9999 0.0002875 Eth | $4,220,732.00 12,674,341.000 DOGE | 0.8433% |
47 | Tapbit | XRP-USDC | $1.00 0.0002873 Eth | $4,033,046.00 1,758,932.000 XRP | 0.1170% |
48 | Binance | HBAR-USDC | $1.001 0.0002865 Eth | $3,952,735.00 12,589,132.000 HBAR | 0.8376% |
49 | Coinbase Exchange | EURC-USDC | $1.00 0.0002873 Eth | $3,834,480.00 3,690,823.000 EURC | 0.2456% |
50 | BYDFi | BTC-USDC | $0.9998 0.0002867 Eth | $3,569,432.00 35.983 BTC | 0.0000% |
51 | OKX | HBAR-USDC | $0.9999 0.0002873 Eth | $3,253,638.00 10,398,580.732 HBAR | 0.6918% |
52 | Cube | BTC-USDC | $1.00 0.0002873 Eth | $3,058,538.00 31.049 BTC | 0.0000% |
53 | Azbit | XRP-USDC | $0.9996 0.0002874 Eth | $2,998,199.00 1,307,588.193 XRP | 0.0870% |
54 | BYDFi | ETH-USDC | $0.9996 0.0002874 Eth | $2,752,528.00 791.402 ETH | 0.0001% |
55 | WhiteBIT | XRP-USDC | $0.9999 0.0002873 Eth | $2,666,593.00 1,169,174.800 XRP | 0.0778% |
56 | Deribit Spot | STETH-USDC | $0.9997 0.0002871 Eth | $2,341,043.00 672.844 STETH | 0.0000% |
57 | PointPay | BTC-USDC | $1.001 0.0002865 Eth | $2,339,793.00 23.706 BTC | 0.0000% |
58 | KuCoin | USDT-USDC | $0.9999 0.0002874 Eth | $2,338,684.00 2,341,047.220 USDT | 0.1558% |
59 | tanX | BTC-USDC | $0.9999 0.0002874 Eth | $2,325,913.00 23.670 BTC | 0.0000% |
60 | Binance US | BTC-USDC | $0.9989 0.0002870 Eth | $2,173,953.00 21.973 BTC | 0.0000% |
61 | Bitget | ARB-USDC | $0.9996 0.0002874 Eth | $1,803,342.00 2,246,541.200 ARB | 0.1495% |
62 | Deribit Spot | XRP-USDC | $0.9996 0.0002874 Eth | $1,604,374.00 699,871.000 XRP | 0.0466% |
63 | Binance | TAO-USDC | $0.9999 0.0002849 Eth | $1,585,068.00 3,130.159 TAO | 0.0002% |
64 | Backpack Exchange | SOL-USDC | $0.9997 0.0002872 Eth | $1,511,220.00 7,638.370 SOL | 0.0005% |
65 | Binance | ENA-USDC | $1.00 0.0002863 Eth | $1,398,489.00 1,359,630.930 ENA | 0.0905% |
66 | Azbit | ADA-USDC | $0.9994 0.0002863 Eth | $1,382,991.00 1,506,030.760 ADA | 0.1002% |
67 | Cube | SOL-USDC | $1.001 0.0002874 Eth | $1,298,810.00 6,548.103 SOL | 0.0004% |
68 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0002873 Eth | $1,275,074.00 1,274,946.714 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0848% |
69 | WhiteBIT | ADA-USDC | $0.9999 0.0002873 Eth | $1,206,964.00 1,321,791.800 ADA | 0.0879% |
70 | DeGate | 0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $1,042,137.00 1,391,882.830 0X4D1C297D39C5C1277964D0E3F8AA901493664530 | 0.0926% |
71 | Bybit | DOT-USDC | $0.9996 0.0002874 Eth | $996,249.00 133,222.332 DOT | 0.0089% |
72 | Vertex (Spot) | WBTC-USDC | $0.9999 0.0002874 Eth | $949,449.00 9.685 WBTC | 0.0000% |
73 | Biconomy.com | USDT-USDC | $0.9994 0.0002871 Eth | $919,405.00 920,724.791 USDT | 0.0613% |
74 | WEEX | AVAX-USDC | $1.00 0.0002865 Eth | $803,052.00 19,828.833 AVAX | 0.0013% |
75 | KuCoin | XRP-USDC | $0.9999 0.0002874 Eth | $789,371.00 346,370.303 XRP | 0.0230% |
76 | Deribit Spot | SOL-USDC | $0.9996 0.0002874 Eth | $691,486.00 3,490.000 SOL | 0.0002% |
77 | Tokpie | DAI-USDC | $0.9997 0.0002863 Eth | $671,237.00 671,413.540 DAI | 0.0447% |
78 | DeGate | 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $583,173.00 948,416.120 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F | 0.0631% |
79 | OKX | NEAR-USDC | $0.9999 0.0002873 Eth | $569,209.00 103,285.217 NEAR | 0.0069% |
80 | Bitstamp | BTC-USDC | $1.00 0.0002875 Eth | $569,134.00 5.746 BTC | 0.0000% |
81 | Solidly V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.00 0.0002875 Eth | $543,196.00 706,878.614 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0470% |
82 | PointPay | SOL-USDC | $0.9999 0.0002875 Eth | $535,636.00 2,700.731 SOL | 0.0002% |
83 | BingX | UNI-USDC | $0.9999 0.0002875 Eth | $453,949.00 32,284.348 UNI | 0.0021% |
84 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $441,323.00 549,050.510 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0365% |
85 | DeGate | 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $406,942.00 10,365,893.800 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC | 0.6897% |
86 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $376,550.00 68,397.360 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0046% |
87 | DeGate | 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9992 0.0002868 Eth | $247,674.00 5,422,119.600 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71 | 0.3607% |
88 | DeGate | 0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $225,093.00 228,751.545 0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | 0.0152% |
89 | DeGate | 0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $223,163.00 49,162.495 0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6 | 0.0033% |
90 | Azbit | DOT-USDC | $0.9994 0.0002863 Eth | $222,978.00 29,846.024 DOT | 0.0020% |
91 | DeGate | 0X6985884C4392D348587B19CB9EAAF157F13271CD-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $219,836.00 36,085.519 0X6985884C4392D348587B19CB9EAAF157F13271CD | 0.0024% |
92 | Solidly V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.002 0.0002880 Eth | $216,049.00 61.892 0X4200000000000000000000000000000000000006 | 0.0000% |
93 | DeGate | 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9992 0.0002868 Eth | $210,444.00 342,020.940 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0 | 0.0228% |
94 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $170,555.00 189,214.104 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 0.0126% |
95 | DeGate | 0XCA14007EFF0DB1F8135F4C25B34DE49AB0D42766-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $160,124.00 320,440.440 0XCA14007EFF0DB1F8135F4C25B34DE49AB0D42766 | 0.0213% |
96 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9992 0.0002868 Eth | $159,544.00 196,714.150 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0131% |
97 | DeGate | 0X0F5D2FB29FB7D3CFEE444A200298F468908CC942-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $137,389.00 258,331.970 0X0F5D2FB29FB7D3CFEE444A200298F468908CC942 | 0.0172% |
98 | DeGate | 0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $122,307.00 17,993.982 0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B | 0.0012% |
99 | DeGate | 0X88DF592F8EB5D7BD38BFEF7DEB0FBC02CF3778A0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $95,555.00 1,448.336 0X88DF592F8EB5D7BD38BFEF7DEB0FBC02CF3778A0 | 0.0001% |
100 | DeGate | 0X0BC529C00C6401AEF6D220BE8C6EA1667F6AD93E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0002869 Eth | $93,317.00 10.148 0X0BC529C00C6401AEF6D220BE8C6EA1667F6AD93E | 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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