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Overview
Max Total Supply
25,168,351,208.435171 USDC
Holders
2,384,315 ( 0.004%)
Market
Price
$1.00 @ 0.000402 ETH (-0.03%)
Onchain Market Cap
$25,168,351,208.44
Circulating Supply Market Cap
$34,668,692,900.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
2.131983 USDCValue
$2.13 ( ~0.00085549299425326 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $0.9999 0.0004014 Eth | $468,270,427.00 6,929.091 BTC | 0.0028% |
2 | Aerodrome SlipStream | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.00 0.0004015 Eth | $200,126,919.00 80,316.758 0X4200000000000000000000000000000000000006 | 0.0326% |
3 | Bybit | ETH-USDC | $0.9999 0.0004014 Eth | $164,249,112.00 65,998.984 ETH | 0.0268% |
4 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $135,126,651.00 770,652.760 SO11111111111111111111111111111111111111112 | 0.3125% |
5 | DigiFinex | BTC-USDC | $0.9999 0.0004015 Eth | $128,435,681.00 1,891.437 BTC | 0.0008% |
6 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $102,636,988.00 585,103.239 SO11111111111111111111111111111111111111112 | 0.2372% |
7 | Azbit | BTC-USDC | $0.9999 0.0004016 Eth | $78,939,406.00 1,170.420 BTC | 0.0005% |
8 | Binance | BTC-USDC | $0.9999 0.0004015 Eth | $78,712,568.00 1,163.493 BTC | 0.0005% |
9 | Binance | SOL-USDC | $0.9999 0.0004015 Eth | $77,858,205.00 442,947.255 SOL | 0.1796% |
10 | DigiFinex | ETH-USDC | $0.9999 0.0004015 Eth | $69,163,770.00 27,758.542 ETH | 0.0113% |
11 | WEEX | BTC-USDC | $1.00 0.0004021 Eth | $62,158,593.00 917.812 BTC | 0.0004% |
12 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $48,267,342.00 275,159.810 SO11111111111111111111111111111111111111112 | 0.1116% |
13 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9996 0.0004014 Eth | $45,023,033.00 665.610 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0003% |
14 | Binance | ETH-USDC | $0.9999 0.0004014 Eth | $42,837,259.00 17,184.599 ETH | 0.0070% |
15 | Tapbit | BTC-USDC | $1.00 0.0004019 Eth | $27,908,862.00 413.098 BTC | 0.0002% |
16 | Biconomy.com | ETH-USDC | $0.9999 0.0004014 Eth | $27,297,611.00 10,984.259 ETH | 0.0045% |
17 | Azbit | BNB-USDC | $0.9996 0.0004014 Eth | $26,567,059.00 45,399.372 BNB | 0.0184% |
18 | LBank | BTC-USDC | $0.9996 0.0004014 Eth | $24,393,259.00 359.813 BTC | 0.0001% |
19 | OKX | BTC-USDC | $0.9999 0.0004015 Eth | $20,589,717.00 304.417 BTC | 0.0001% |
20 | OKX | ETH-USDC | $0.9999 0.0004015 Eth | $20,045,071.00 8,044.155 ETH | 0.0033% |
21 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $0.9996 0.0004015 Eth | $19,139,885.00 19,167,799.650 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 7.7716% |
22 | DODO (BSC) | 0X55D398326F99059FF775485246999027B3197955-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D | $0.9998 0.0004014 Eth | $19,026,315.00 19,091,644.745 0X55D398326F99059FF775485246999027B3197955 | 7.7407% |
23 | Bybit | SOL-USDC | $0.9999 0.0004014 Eth | $16,757,691.00 95,465.847 SOL | 0.0387% |
24 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004014 Eth | $16,689,147.00 4,743,799.382 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 1.9234% |
25 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9997 0.0004016 Eth | $15,992,601.00 15,995,278.396 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 6.4853% |
26 | LBank | ETH-USDC | $1.00 0.0004016 Eth | $14,307,410.00 5,743.973 ETH | 0.0023% |
27 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $13,115,708.00 74,837.649 SO11111111111111111111111111111111111111112 | 0.0303% |
28 | Biconomy.com | BTC-USDC | $0.9999 0.0004015 Eth | $12,909,754.00 191.161 BTC | 0.0001% |
29 | Kraken | USDC-USD | $0.9999 0.0004015 Eth | $12,732,060.00 12,733,333.653 USDC | 5.1627% |
30 | WhiteBIT | ETH-USDC | $1.00 0.0004016 Eth | $12,697,307.00 5,095.239 ETH | 0.0021% |
31 | Azbit | SOL-USDC | $0.9999 0.0004016 Eth | $12,585,416.00 72,004.714 SOL | 0.0292% |
32 | Raydium (CLMM) | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004014 Eth | $11,830,636.00 11,842,628.788 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 4.8016% |
33 | PancakeSwap V3 (Base) | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9994 0.0004014 Eth | $9,551,280.00 3,838.511 0X4200000000000000000000000000000000000006 | 0.0016% |
34 | XT.COM | ETH-USDC | $1.00 0.0004014 Eth | $8,585,579.00 3,443.325 ETH | 0.0014% |
35 | Dexalot | USDT-USDC | $0.9999 0.0004016 Eth | $8,261,145.00 8,272,100.819 USDT | 3.3539% |
36 | Dexalot | WBTC-USDC | $0.9998 0.0004021 Eth | $7,420,799.00 110.059 WBTC | 0.0000% |
37 | BaseSwap V3 | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9997 0.0004014 Eth | $6,927,265.00 2,781.555 0X4200000000000000000000000000000000000006 | 0.0011% |
38 | LATOKEN | USDC-USDT | $1.00 0.0004016 Eth | $6,473,531.00 6,472,296.852 USDC | 2.6242% |
39 | Azbit | ETH-USDC | $1.00 0.0004020 Eth | $5,893,152.00 2,371.061 ETH | 0.0010% |
40 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $5,652,122.00 32,235.388 SO11111111111111111111111111111111111111112 | 0.0131% |
41 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004014 Eth | $5,520,934.00 5,523,040.963 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 2.2393% |
42 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $5,495,240.00 31,342.373 SO11111111111111111111111111111111111111112 | 0.0127% |
43 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004014 Eth | $5,051,578.00 23,958,888.445 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 9.7141% |
44 | Azbit | LTC-USDC | $0.9999 0.0004016 Eth | $4,957,878.00 70,891.040 LTC | 0.0287% |
45 | Cube | BTC-USDC | $0.9998 0.0004020 Eth | $4,842,023.00 71.642 BTC | 0.0000% |
46 | Raydium | NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004014 Eth | $4,657,772.00 1,134,853.711 NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7 | 0.4601% |
47 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004020 Eth | $4,646,709.00 4,648,595.345 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 1.8848% |
48 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $4,521,880.00 25,761.061 SO11111111111111111111111111111111111111112 | 0.0104% |
49 | PointPay | BTC-USDC | $0.9995 0.0004016 Eth | $4,186,639.00 61.860 BTC | 0.0000% |
50 | Dexalot | AVAX-USDC | $0.9999 0.0004016 Eth | $4,116,822.00 160,845.195 AVAX | 0.0652% |
51 | HTX | ETH-USDC | $0.9998 0.0004014 Eth | $4,106,244.00 1,650.644 ETH | 0.0007% |
52 | Bitget | BTC-USDC | $0.9998 0.0004014 Eth | $3,888,318.00 57.626 BTC | 0.0000% |
53 | Bitget | ETH-USDC | $0.9998 0.0004014 Eth | $3,790,750.00 1,524.381 ETH | 0.0006% |
54 | OKX | SOL-USDC | $0.9999 0.0004015 Eth | $3,767,134.00 21,457.709 SOL | 0.0087% |
55 | PointPay | SOL-USDC | $0.9999 0.0004014 Eth | $3,450,624.00 19,629.131 SOL | 0.0080% |
56 | BingX | ETH-USDC | $0.9999 0.0004014 Eth | $2,724,335.00 1,094.390 ETH | 0.0004% |
57 | Dex-Trade | BTC-USDC | $1.00 0.0004020 Eth | $2,679,886.00 39.522 BTC | 0.0000% |
58 | Binance | ADA-USDC | $0.9998 0.0004014 Eth | $2,672,446.00 7,920,942.800 ADA | 3.2116% |
59 | Binance | ARB-USDC | $1.00 0.0004020 Eth | $2,606,738.00 5,059,684.200 ARB | 2.0515% |
60 | Deribit Spot | BTC-USDC | $1.001 0.0004018 Eth | $2,491,332.00 36.764 BTC | 0.0000% |
61 | Biconomy.com | USDT-USDC | $0.9999 0.0004015 Eth | $2,245,415.00 2,248,410.420 USDT | 0.9116% |
62 | Slex | ETH-USDC | $1.00 0.0004019 Eth | $2,202,840.00 883.209 ETH | 0.0004% |
63 | Binance | RUNE-USDC | $0.9999 0.0004016 Eth | $2,107,949.00 400,838.300 RUNE | 0.1625% |
64 | Deribit Spot | SOL-USDC | $0.9996 0.0004014 Eth | $2,053,985.00 11,735.000 SOL | 0.0048% |
65 | WhiteBIT | BTC-USDC | $0.9998 0.0004016 Eth | $1,938,034.00 28.592 BTC | 0.0000% |
66 | PointPay | ETH-USDC | $1.00 0.0004016 Eth | $1,893,816.00 759.367 ETH | 0.0003% |
67 | Bybit | DOGE-USDC | $0.9999 0.0004014 Eth | $1,705,531.00 12,054,278.000 DOGE | 4.8874% |
68 | Coinbase Exchange | EURC-USDC | $0.9999 0.0004014 Eth | $1,703,345.00 1,579,134.000 EURC | 0.6403% |
69 | Deribit Spot | ETH-USDC | $0.9999 0.0004013 Eth | $1,529,271.00 616.103 ETH | 0.0002% |
70 | Backpack Exchange | SOL-USDC | $1.00 0.0004016 Eth | $1,479,415.00 8,428.250 SOL | 0.0034% |
71 | Dexalot | BTC-USDC | $0.9998 0.0004021 Eth | $1,438,052.00 21.296 BTC | 0.0000% |
72 | Binance | WLD-USDC | $0.9998 0.0004013 Eth | $1,347,835.00 670,393.800 WLD | 0.2718% |
73 | tanX | BTC-USDC | $1.00 0.0004014 Eth | $1,339,040.00 19.878 BTC | 0.0000% |
74 | OKX | DOGE-USDC | $0.9999 0.0004015 Eth | $1,173,252.00 8,298,669.740 DOGE | 3.3647% |
75 | Binance | JUP-USDC | $0.9999 0.0004015 Eth | $1,017,707.00 994,253.900 JUP | 0.4031% |
76 | Dexalot | ARB-USDC | $0.9999 0.0004016 Eth | $975,477.00 1,894,144.878 ARB | 0.7680% |
77 | KuCoin | ETH-USDC | $0.9999 0.0004015 Eth | $926,176.00 372.135 ETH | 0.0002% |
78 | Bybit | SUI-USDC | $0.9999 0.0004014 Eth | $883,605.00 499,667.920 SUI | 0.2026% |
79 | Gemini | USDC-USD | $0.9998 0.0004014 Eth | $815,983.00 816,171.169 USDC | 0.3309% |
80 | BYDFi | ETH-USDC | $1.00 0.0004020 Eth | $804,478.00 323.433 ETH | 0.0001% |
81 | Bitcointry | BTC-USDC | $0.9999 0.0004016 Eth | $796,057.00 11.764 BTC | 0.0000% |
82 | KuCoin | BTC-USDC | $0.9999 0.0004015 Eth | $793,520.00 11.688 BTC | 0.0000% |
83 | XT.COM | BTC-USDC | $0.9999 0.0004014 Eth | $786,787.00 11.630 BTC | 0.0000% |
84 | BYDFi | XRP-USDC | $0.9996 0.0004017 Eth | $761,888.00 1,480,267.000 XRP | 0.6002% |
85 | BingX | DOGE-USDC | $0.9999 0.0004014 Eth | $666,774.00 4,722,766.284 DOGE | 1.9148% |
86 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0004016 Eth | $662,058.00 661,872.482 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.2684% |
87 | tanX | ETH-USDC | $1.00 0.0004020 Eth | $599,571.00 241.137 ETH | 0.0001% |
88 | OKX | XRP-USDC | $0.9999 0.0004015 Eth | $457,136.00 888,884.440 XRP | 0.3604% |
89 | KuCoin | SOL-USDC | $1.00 0.0004016 Eth | $448,640.00 2,552.535 SOL | 0.0010% |
90 | Binance | BOME-USDC | $0.9999 0.0004015 Eth | $430,322.00 50,545,622.000 BOME | 20.4938% |
91 | BitMart | TUSD-USDC | $0.9999 0.0004016 Eth | $425,599.00 427,467.400 TUSD | 0.1733% |
92 | Binance | PEOPLE-USDC | $0.9999 0.0004013 Eth | $424,053.00 5,816,965.900 PEOPLE | 2.3585% |
93 | Tokpie | USDT-USDC | $0.9999 0.0004016 Eth | $340,560.00 340,529.200 USDT | 0.1381% |
94 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $202,513.00 26,855.462 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0109% |
95 | KuCoin | XRP-USDC | $1.00 0.0004016 Eth | $186,792.00 363,436.893 XRP | 0.1474% |
96 | OKX | TRX-USDC | $0.9999 0.0004015 Eth | $148,185.00 897,008.928 TRX | 0.3637% |
97 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $135,610.00 186,532.980 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0756% |
98 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $130,274.00 28,824.451 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0117% |
99 | DeGate | 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $60,521.00 631,186.200 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB | 0.2559% |
100 | DeGate | 0X3F1EE2F15DA3EAF3539006B651144EC87755876D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $55,164.00 598,097.400 0X3F1EE2F15DA3EAF3539006B651144EC87755876D | 0.2425% |
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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