Overview
Max Total Supply
25,821,673,074.036561 USDC
Holders
2,371,664 ( 0.046%)
Market
Price
$1.00 @ 0.000378 ETH (+0.05%)
Onchain Market Cap
$25,821,673,074.04
Circulating Supply Market Cap
$34,993,644,105.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
2,789.98372 USDCValue
$2,789.98 ( ~1.0546 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Binance | BTC-USDC | $0.9999 0.0003778 Eth | $111,582,955.00 1,633.194 BTC | 0.0000% |
2 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $54,132,889.00 348,683.431 SO11111111111111111111111111111111111111112 | 0.0023% |
3 | Hotcoin | BTC-USDC | $0.9998 0.0003778 Eth | $43,147,281.00 632.354 BTC | 0.0000% |
4 | Tapbit | BTC-USDC | $0.9999 0.0003778 Eth | $32,167,958.00 470.984 BTC | 0.0000% |
5 | OKX | BTC-USDC | $0.9999 0.0003778 Eth | $24,015,903.00 351.824 BTC | 0.0000% |
6 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $20,417,791.00 131,572.900 SO11111111111111111111111111111111111111112 | 0.0009% |
7 | Azbit | SOL-USDC | $0.9998 0.0003778 Eth | $12,544,536.00 80,901.987 SOL | 0.0005% |
8 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $8,500,287.00 8,503,275.936 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0563% |
9 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $7,628,952.00 2,237,237.742 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0148% |
10 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $6,831,279.00 43,998.298 SO11111111111111111111111111111111111111112 | 0.0003% |
11 | PointPay | BTC-USDC | $0.9999 0.0003778 Eth | $6,509,063.00 95.263 BTC | 0.0000% |
12 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $5,842,110.00 63,063,515.391 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.4176% |
13 | Dexalot | WBTC-USDC | $0.9998 0.0003779 Eth | $5,805,411.00 85.281 WBTC | 0.0000% |
14 | Azbit | LTC-USDC | $0.9998 0.0003778 Eth | $5,763,265.00 77,391.120 LTC | 0.0005% |
15 | Binance | DOGE-USDC | $0.9999 0.0003779 Eth | $4,636,060.00 32,442,174.000 DOGE | 0.2148% |
16 | XT.COM | ETH-USDC | $0.9999 0.0003778 Eth | $4,565,539.00 1,727.409 ETH | 0.0000% |
17 | Uniswap V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $1.00 0.0003776 Eth | $4,023,294.00 4,014,251.717 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0266% |
18 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $3,826,844.00 24,646.318 SO11111111111111111111111111111111111111112 | 0.0002% |
19 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $3,580,786.00 23,069.497 SO11111111111111111111111111111111111111112 | 0.0002% |
20 | Bitget | ETH-USDC | $0.9999 0.0003778 Eth | $3,559,852.00 1,346.709 ETH | 0.0000% |
21 | Binance | ARB-USDC | $0.9999 0.0003778 Eth | $3,451,222.00 6,123,252.000 ARB | 0.0405% |
22 | Binance | WLD-USDC | $0.9999 0.0003778 Eth | $3,154,090.00 1,292,315.500 WLD | 0.0086% |
23 | Deribit Spot | SOL-USDC | $0.9999 0.0003778 Eth | $2,813,259.00 18,106.600 SOL | 0.0001% |
24 | Deribit Spot | BTC-USDC | $0.9997 0.0003777 Eth | $2,524,829.00 36.981 BTC | 0.0000% |
25 | Orca | J3NKXXXZCNNIMJKW9HYB2K4LUXGWB6T1FTPTQVSV3KFR-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $2,409,503.00 3,915,716.797 J3NKXXXZCNNIMJKW9HYB2K4LUXGWB6T1FTPTQVSV3KFR | 0.0259% |
26 | Slex | BTC-USDC | $0.9999 0.0003778 Eth | $2,061,982.00 30.181 BTC | 0.0000% |
27 | Binance | FLOKI-USDC | $0.9999 0.0003776 Eth | $1,969,266.00 12,304,704,573.000 FLOKI | 81.4778% |
28 | Binance | WIF-USDC | $0.9999 0.0003778 Eth | $1,920,786.00 724,046.330 WIF | 0.0048% |
29 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $1,878,884.00 12,088.836 SO11111111111111111111111111111111111111112 | 0.0001% |
30 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $1,599,256.00 10,293.559 SO11111111111111111111111111111111111111112 | 0.0001% |
31 | BYDFi | BTC-USDC | $0.9999 0.0003776 Eth | $1,538,733.00 22.542 BTC | 0.0000% |
32 | Meteora | DBRIDGJAMSM95MOTZJS7M9LNKGERPBV9V6CUR1DXNUU5-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $1,417,594.00 40,227,668.744 DBRIDGJAMSM95MOTZJS7M9LNKGERPBV9V6CUR1DXNUU5 | 0.2664% |
33 | Bitcointry | BTC-USDC | $0.9999 0.0003778 Eth | $1,365,019.00 19.988 BTC | 0.0000% |
34 | Slex | ETH-USDC | $0.9999 0.0003778 Eth | $1,254,062.00 474.492 ETH | 0.0000% |
35 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $1,193,591.00 349,942.770 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0023% |
36 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $1,151,820.00 7,407.917 SO11111111111111111111111111111111111111112 | 0.0000% |
37 | Coinbase Exchange | EURC-USDC | $0.9999 0.0003778 Eth | $957,188.00 880,353.000 EURC | 0.0058% |
38 | Binance | PEOPLE-USDC | $0.9999 0.0003779 Eth | $888,061.00 10,475,860.800 PEOPLE | 0.0694% |
39 | Orca | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $870,708.00 870,820.217 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 0.0058% |
40 | Dex-Trade | ETH-USDC | $0.9999 0.0003778 Eth | $844,655.00 319.149 ETH | 0.0000% |
41 | Binance | APT-USDC | $0.9999 0.0003778 Eth | $820,259.00 83,627.990 APT | 0.0006% |
42 | WEEX | ADA-USDC | $0.9999 0.0003778 Eth | $806,116.00 2,288,418.000 ADA | 0.0152% |
43 | Curve (Arbitrum) | 0X498BF2B1E120FED3AD3D42EA2165E9B73F99C1E5-0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | $0.9999 0.0003778 Eth | $740,403.00 741,600.675 0X498BF2B1E120FED3AD3D42EA2165E9B73F99C1E5 | 0.0049% |
44 | Meteora | ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003778 Eth | $674,872.00 674,937.918 ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | 0.0045% |
45 | PointPay | SOL-USDC | $0.9999 0.0003778 Eth | $649,476.00 4,181.643 SOL | 0.0000% |
46 | PointPay | SUI-USDC | $0.9999 0.0003778 Eth | $625,920.00 300,973.520 SUI | 0.0020% |
47 | Trubit | XRP-USDC | $0.9999 0.0003778 Eth | $560,927.00 1,029,964.000 XRP | 0.0068% |
48 | Trubit | ETH-USDC | $0.9999 0.0003778 Eth | $560,159.00 212.005 ETH | 0.0000% |
49 | Binance | ENA-USDC | $0.9999 0.0003779 Eth | $514,389.00 1,270,108.760 ENA | 0.0084% |
50 | WEEX | DOGE-USDC | $0.9999 0.0003776 Eth | $500,124.00 3,552,737.423 DOGE | 0.0235% |
51 | BitMart | LYK-USDC | $0.9999 0.0003778 Eth | $486,807.00 401,559.260 LYK | 0.0027% |
52 | EXMO | TON-USDC | $0.9999 0.0003778 Eth | $449,032.00 85,370.739 TON | 0.0006% |
53 | Binance | SAGA-USDC | $0.9999 0.0003778 Eth | $430,964.00 149,184.300 SAGA | 0.0010% |
54 | Binance | BOME-USDC | $0.9999 0.0003776 Eth | $419,297.00 44,040,905.000 BOME | 0.2916% |
55 | Bitget | BGB-USDC | $0.9999 0.0003778 Eth | $399,534.00 351,538.384 BGB | 0.0023% |
56 | OKX | NEAR-USDC | $0.9999 0.0003778 Eth | $365,682.00 75,169.943 NEAR | 0.0005% |
57 | OKX | LTC-USDC | $0.9999 0.0003778 Eth | $356,278.00 4,739.605 LTC | 0.0000% |
58 | Bitget | STX-USDC | $0.9999 0.0003778 Eth | $344,219.00 181,776.200 STX | 0.0012% |
59 | Dex-Trade | SOL-USDC | $0.9999 0.0003778 Eth | $337,823.00 2,155.203 SOL | 0.0000% |
60 | BingX | UNI-USDC | $0.9999 0.0003778 Eth | $323,531.00 43,390.908 UNI | 0.0003% |
61 | Bybit | OP-USDC | $0.9999 0.0003778 Eth | $279,789.00 164,098.030 OP | 0.0011% |
62 | Bitget | TON-USDC | $0.9999 0.0003778 Eth | $260,743.00 49,623.600 TON | 0.0003% |
63 | Bitget | FLOKI-USDC | $0.9999 0.0003778 Eth | $259,614.00 1,646,162,787.000 FLOKI | 10.9004% |
64 | KuCoin | SOL-USDC | $1.00 0.0003779 Eth | $247,321.00 1,578.381 SOL | 0.0000% |
65 | OKX | WLD-USDC | $0.9999 0.0003778 Eth | $224,914.00 92,139.706 WLD | 0.0006% |
66 | LBank | EOS-USDC | $0.9999 0.0003778 Eth | $198,092.00 407,232.600 EOS | 0.0027% |
67 | Bybit | ARB-USDC | $0.9999 0.0003778 Eth | $196,445.00 347,984.060 ARB | 0.0023% |
68 | OKX | AAVE-USDC | $0.9999 0.0003778 Eth | $194,534.00 1,232.505 AAVE | 0.0000% |
69 | PointPay | BNB-USDC | $0.9998 0.0003778 Eth | $188,704.00 315.510 BNB | 0.0000% |
70 | LBank | LTC-USDC | $0.9999 0.0003778 Eth | $184,134.00 2,458.396 LTC | 0.0000% |
71 | Binance | BB-USDC | $0.9999 0.0003776 Eth | $176,680.00 518,322.100 BB | 0.0034% |
72 | Bitcointry | SOL-USDC | $0.9999 0.0003778 Eth | $155,162.00 994.874 SOL | 0.0000% |
73 | Dexalot | EURC-USDC | $0.9998 0.0003779 Eth | $153,246.00 141,028.822 EURC | 0.0009% |
74 | Binance | TRB-USDC | $0.9999 0.0003778 Eth | $152,963.00 2,302.048 TRB | 0.0000% |
75 | Slex | 1INCH-USDC | $0.9999 0.0003778 Eth | $149,425.00 549,952.500 1INCH | 0.0036% |
76 | OKX | HBAR-USDC | $0.9999 0.0003778 Eth | $147,314.00 2,794,000.112 HBAR | 0.0185% |
77 | OKX | FLOKI-USDC | $0.9999 0.0003778 Eth | $144,705.00 908,818,799.000 FLOKI | 6.0179% |
78 | OKX | FIL-USDC | $0.9999 0.0003778 Eth | $129,127.00 34,380.263 FIL | 0.0002% |
79 | BYDFi | SOL-USDC | $0.9999 0.0003778 Eth | $128,720.00 820.910 SOL | 0.0000% |
80 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $126,770.00 26,082.851 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0002% |
81 | tanX | USDT-USDC | $1.00 0.0003778 Eth | $120,742.00 120,732.000 USDT | 0.0008% |
82 | Bybit | DOT-USDC | $0.9999 0.0003778 Eth | $108,579.00 24,679.061 DOT | 0.0002% |
83 | OKX | AVAX-USDC | $0.9999 0.0003778 Eth | $107,918.00 3,842.009 AVAX | 0.0000% |
84 | DeGate | 0X2ED58B1FA208E9A08FDAAC2A839B8539ABE558E8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $106,115.00 39,920.406 0X2ED58B1FA208E9A08FDAAC2A839B8539ABE558E8 | 0.0003% |
85 | WEEX | AVAX-USDC | $0.9999 0.0003778 Eth | $104,551.00 3,724.070 AVAX | 0.0000% |
86 | OKX | GALA-USDC | $0.9999 0.0003778 Eth | $102,858.00 4,457,536.385 GALA | 0.0295% |
87 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003781 Eth | $100,837.00 13,499.310 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0001% |
88 | DeGate | 0X57E114B691DB790C35207B2E685D4A43181E6061-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $86,823.00 211,324.760 0X57E114B691DB790C35207B2E685D4A43181E6061 | 0.0014% |
89 | DeGate | 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.001 0.0003781 Eth | $86,641.00 153,526.250 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1 | 0.0010% |
90 | DeGate | 0X25F8087EAD173B73D6E8B84329989A8EEA16CF73-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $69,110.00 127,325.170 0X25F8087EAD173B73D6E8B84329989A8EEA16CF73 | 0.0008% |
91 | OKX | DOT-USDC | $0.9999 0.0003778 Eth | $64,052.00 14,601.644 DOT | 0.0001% |
92 | DeGate | 0XFABA6F8E4A5E8AB82F62FE7C39859FA577269BE3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $58,636.00 74,028.240 0XFABA6F8E4A5E8AB82F62FE7C39859FA577269BE3 | 0.0005% |
93 | BYDFi | TRX-USDC | $0.9999 0.0003778 Eth | $57,491.00 365,168.000 TRX | 0.0024% |
94 | WEEX | TON-USDC | $0.9998 0.0003777 Eth | $54,357.00 10,342.500 TON | 0.0001% |
95 | DeGate | 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $53,535.00 62,077.800 0X3294395E62F4EB6AF3F1FCF89F5602D90FB3EF69 | 0.0004% |
96 | KuCoin | AVAX-USDC | $0.9999 0.0003778 Eth | $50,756.00 1,811.125 AVAX | 0.0000% |
97 | DeGate | 0XF91E605AF079384CC7077B3914A4A36019A89EE8-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0003779 Eth | $46,873.00 105,670.130 0XF91E605AF079384CC7077B3914A4A36019A89EE8 | 0.0007% |
98 | DeGate | 0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $45,657.00 8,836.748 0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B | 0.0001% |
99 | DeGate | 0X4B9278B94A1112CAD404048903B8D343A810B07E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $35,758.00 62,359.680 0X4B9278B94A1112CAD404048903B8D343A810B07E | 0.0004% |
100 | DeGate | 0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9994 0.0003784 Eth | $29,208.00 40,097.970 0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | 0.0003% |
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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