Feature Tip: Add private address tag to any address under My Name Tag !
Overview
Max Total Supply
25,166,748,792.568903 USDC
Holders
2,384,348 (0.00%)
Market
Price
$1.00 @ 0.000401 ETH (+0.02%)
Onchain Market Cap
$25,163,024,113.75
Circulating Supply Market Cap
$34,668,106,809.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0.274048 USDCValue
$0.27 ( ~0.000108307506521846 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $0.9999 0.0004015 Eth | $460,301,696.00 6,813.449 BTC | 0.0030% |
2 | Bybit | ETH-USDC | $0.9999 0.0004015 Eth | $162,126,245.00 65,157.094 ETH | 0.0286% |
3 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $134,617,953.00 769,040.904 SO11111111111111111111111111111111111111112 | 0.3372% |
4 | DigiFinex | BTC-USDC | $0.9999 0.0004017 Eth | $125,468,226.00 1,853.303 BTC | 0.0008% |
5 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $103,275,327.00 589,595.815 SO11111111111111111111111111111111111111112 | 0.2586% |
6 | Azbit | BTC-USDC | $1.00 0.0004017 Eth | $80,156,615.00 1,188.920 BTC | 0.0005% |
7 | DigiFinex | ETH-USDC | $0.9999 0.0004017 Eth | $65,913,719.00 26,469.470 ETH | 0.0116% |
8 | WEEX | BTC-USDC | $1.00 0.0004016 Eth | $60,083,775.00 887.318 BTC | 0.0004% |
9 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $48,204,245.00 275,245.626 SO11111111111111111111111111111111111111112 | 0.1207% |
10 | Binance | ETH-USDC | $0.9999 0.0004017 Eth | $39,968,128.00 16,033.170 ETH | 0.0070% |
11 | Hotcoin | BTC-USDC | $1.00 0.0004019 Eth | $39,376,139.00 581.674 BTC | 0.0003% |
12 | Tapbit | BTC-USDC | $0.9999 0.0004017 Eth | $28,369,424.00 420.319 BTC | 0.0002% |
13 | WhiteBIT | USDC-USDT | $1.00 0.0004016 Eth | $28,055,229.00 28,052,037.661 USDC | 12.3017% |
14 | Biconomy.com | ETH-USDC | $1.00 0.0004018 Eth | $27,594,919.00 11,101.278 ETH | 0.0049% |
15 | Azbit | BNB-USDC | $0.9998 0.0004013 Eth | $26,935,280.00 46,033.694 BNB | 0.0202% |
16 | LBank | BTC-USDC | $0.9999 0.0004015 Eth | $24,208,039.00 357.581 BTC | 0.0002% |
17 | OKX | BTC-USDC | $0.9995 0.0004015 Eth | $20,909,044.00 309.342 BTC | 0.0001% |
18 | OKX | ETH-USDC | $1.00 0.0004017 Eth | $19,962,943.00 8,011.612 ETH | 0.0035% |
19 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $1.00 0.0004018 Eth | $18,084,646.00 18,095,669.914 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 7.9355% |
20 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $16,835,222.00 4,787,886.476 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 2.0996% |
21 | Bybit | SOL-USDC | $0.9999 0.0004015 Eth | $16,390,062.00 93,412.468 SOL | 0.0410% |
22 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $16,331,147.00 93,322.393 SO11111111111111111111111111111111111111112 | 0.0409% |
23 | LBank | ETH-USDC | $1.00 0.0004018 Eth | $13,969,215.00 5,609.870 ETH | 0.0025% |
24 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $13,149,544.00 75,129.409 SO11111111111111111111111111111111111111112 | 0.0329% |
25 | Biconomy.com | BTC-USDC | $1.00 0.0004018 Eth | $12,911,794.00 191.192 BTC | 0.0001% |
26 | Azbit | SOL-USDC | $0.9999 0.0004016 Eth | $12,739,754.00 72,949.343 SOL | 0.0320% |
27 | Kraken | USDC-USD | $0.9998 0.0004017 Eth | $12,609,666.00 12,612,188.098 USDC | 5.5308% |
28 | Raydium (CLMM) | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $11,995,486.00 12,006,997.573 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 5.2654% |
29 | Dexalot | USDT-USDC | $0.9999 0.0004016 Eth | $8,261,145.00 8,272,100.819 USDT | 3.6276% |
30 | Dexalot | WBTC-USDC | $0.9996 0.0003989 Eth | $7,193,159.00 106.809 WBTC | 0.0000% |
31 | Azbit | ETH-USDC | $0.9998 0.0004013 Eth | $5,998,435.00 2,414.858 ETH | 0.0011% |
32 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $5,793,293.00 5,797,193.623 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 2.5423% |
33 | Raydium | NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004015 Eth | $5,757,562.00 1,390,407.990 NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7 | 0.6097% |
34 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $5,708,059.00 32,609.991 SO11111111111111111111111111111111111111112 | 0.0143% |
35 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $5,479,038.00 31,271.980 SO11111111111111111111111111111111111111112 | 0.0137% |
36 | Azbit | LTC-USDC | $0.9999 0.0004015 Eth | $5,016,774.00 71,846.680 LTC | 0.0315% |
37 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $4,885,389.00 22,956,782.974 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 10.0673% |
38 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9996 0.0004013 Eth | $4,644,234.00 4,648,595.345 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 2.0386% |
39 | Orca | CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $4,458,586.00 7,013,410.827 CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP | 3.0756% |
40 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $4,380,996.00 24,976.851 SO11111111111111111111111111111111111111112 | 0.0110% |
41 | Uniswap V3 (Ethereum) | 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9995 0.0004015 Eth | $4,331,869.00 64.170 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599 | 0.0000% |
42 | PointPay | BTC-USDC | $0.9999 0.0004015 Eth | $4,159,363.00 61.439 BTC | 0.0000% |
43 | Dexalot | AVAX-USDC | $0.9999 0.0004016 Eth | $4,116,822.00 160,845.195 AVAX | 0.0705% |
44 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $4,080,654.00 23,289.619 SO11111111111111111111111111111111111111112 | 0.0102% |
45 | HTX | ETH-USDC | $0.9999 0.0004015 Eth | $4,023,698.00 1,617.524 ETH | 0.0007% |
46 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $3,986,250.00 22,790.758 SO11111111111111111111111111111111111111112 | 0.0100% |
47 | Bitget | BTC-USDC | $0.9995 0.0004015 Eth | $3,920,000.00 58.134 BTC | 0.0000% |
48 | HTX | BTC-USDC | $0.9999 0.0004015 Eth | $3,912,615.00 57.955 BTC | 0.0000% |
49 | Raydium | ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004016 Eth | $3,850,967.00 3,854,157.474 ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | 1.6902% |
50 | Bitget | ETH-USDC | $0.9995 0.0004015 Eth | $3,787,778.00 1,523.980 ETH | 0.0007% |
51 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004015 Eth | $3,761,603.00 1,069,883.238 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.4692% |
52 | OKX | SOL-USDC | $1.00 0.0004017 Eth | $3,748,965.00 21,367.633 SOL | 0.0094% |
53 | Trubit | BTC-USDC | $1.00 0.0004018 Eth | $3,334,911.00 49.323 BTC | 0.0000% |
54 | Dex-Trade | BTC-USDC | $0.9999 0.0004017 Eth | $2,625,647.00 38.794 BTC | 0.0000% |
55 | Biconomy.com | USDT-USDC | $0.9999 0.0004016 Eth | $2,241,441.00 2,244,257.428 USDT | 0.9842% |
56 | Deribit Spot | BTC-USDC | $0.9998 0.0004016 Eth | $2,177,748.00 32.167 BTC | 0.0000% |
57 | Slex | ETH-USDC | $1.00 0.0004018 Eth | $2,093,649.00 839.596 ETH | 0.0004% |
58 | Binance | RUNE-USDC | $0.9999 0.0004017 Eth | $2,083,228.00 396,306.000 RUNE | 0.1738% |
59 | LBank | FIL-USDC | $0.9999 0.0004015 Eth | $2,030,257.00 572,436.901 FIL | 0.2510% |
60 | Deribit Spot | SOL-USDC | $1.00 0.0004018 Eth | $2,009,045.00 11,483.200 SOL | 0.0050% |
61 | WhiteBIT | BTC-USDC | $1.001 0.0004019 Eth | $1,885,775.00 27.840 BTC | 0.0000% |
62 | PointPay | ETH-USDC | $0.9999 0.0004015 Eth | $1,807,688.00 725.117 ETH | 0.0003% |
63 | Coinbase Exchange | EURC-USDC | $0.9999 0.0004017 Eth | $1,783,833.00 1,652,856.000 EURC | 0.7248% |
64 | Bybit | DOGE-USDC | $0.9999 0.0004015 Eth | $1,657,677.00 11,728,560.600 DOGE | 5.1433% |
65 | Deribit Spot | ETH-USDC | $1.00 0.0004015 Eth | $1,520,718.00 612.605 ETH | 0.0003% |
66 | Backpack Exchange | SOL-USDC | $0.9999 0.0004017 Eth | $1,492,447.00 8,509.550 SOL | 0.0037% |
67 | tanX | BTC-USDC | $0.9999 0.0004016 Eth | $1,365,282.00 20.275 BTC | 0.0000% |
68 | Binance | WLD-USDC | $1.00 0.0004018 Eth | $1,345,412.00 669,045.600 WLD | 0.2934% |
69 | Dexalot | BTC-USDC | $0.9996 0.0003989 Eth | $1,287,049.00 19.092 BTC | 0.0000% |
70 | OKX | DOGE-USDC | $1.00 0.0004017 Eth | $1,121,303.00 7,946,823.200 DOGE | 3.4849% |
71 | Binance | JUP-USDC | $0.9999 0.0004017 Eth | $1,018,640.00 995,345.300 JUP | 0.4365% |
72 | Dexalot | ARB-USDC | $0.9999 0.0004016 Eth | $975,477.00 1,894,144.878 ARB | 0.8306% |
73 | BYDFi | BTC-USDC | $0.9998 0.0004013 Eth | $962,949.00 14.232 BTC | 0.0000% |
74 | KuCoin | ETH-USDC | $0.9999 0.0004016 Eth | $927,813.00 372.636 ETH | 0.0002% |
75 | Bybit | SUI-USDC | $0.9999 0.0004015 Eth | $865,953.00 488,720.240 SUI | 0.2143% |
76 | Dex-Trade | SOL-USDC | $0.9999 0.0004017 Eth | $786,427.00 4,485.359 SOL | 0.0020% |
77 | Bitcointry | BTC-USDC | $1.00 0.0004018 Eth | $777,007.00 11.479 BTC | 0.0000% |
78 | KuCoin | BTC-USDC | $0.9999 0.0004016 Eth | $773,941.00 11.439 BTC | 0.0000% |
79 | XT.COM | BTC-USDC | $0.9999 0.0004017 Eth | $771,770.00 11.409 BTC | 0.0000% |
80 | BYDFi | XRP-USDC | $1.00 0.0004017 Eth | $768,043.00 1,492,555.000 XRP | 0.6545% |
81 | Binance | APT-USDC | $1.00 0.0004017 Eth | $720,207.00 78,489.730 APT | 0.0344% |
82 | BingX | DOGE-USDC | $0.9999 0.0004015 Eth | $646,510.00 4,589,443.992 DOGE | 2.0126% |
83 | tanX | ETH-USDC | $0.9999 0.0004017 Eth | $594,776.00 239.302 ETH | 0.0001% |
84 | PointPay | JUP-USDC | $1.00 0.0004018 Eth | $561,962.00 549,004.612 JUP | 0.2408% |
85 | OKX | XRP-USDC | $1.00 0.0004017 Eth | $449,182.00 873,369.708 XRP | 0.3830% |
86 | Binance | BOME-USDC | $1.00 0.0004015 Eth | $427,405.00 50,188,595.000 BOME | 22.0093% |
87 | BitMart | TUSD-USDC | $1.00 0.0004018 Eth | $426,308.00 428,164.000 TUSD | 0.1878% |
88 | KuCoin | SOL-USDC | $1.00 0.0004017 Eth | $412,870.00 2,350.602 SOL | 0.0010% |
89 | Binance | PEOPLE-USDC | $0.9998 0.0004013 Eth | $404,689.00 5,556,386.100 PEOPLE | 2.4367% |
90 | Tokpie | USDT-USDC | $1.00 0.0004017 Eth | $334,723.00 334,693.720 USDT | 0.1468% |
91 | BingX | UNI-USDC | $0.9999 0.0004015 Eth | $301,918.00 40,192.001 UNI | 0.0176% |
92 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $200,369.00 26,614.291 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0117% |
93 | KuCoin | XRP-USDC | $0.9999 0.0004016 Eth | $190,628.00 370,790.510 XRP | 0.1626% |
94 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $172,936.00 60,091.982 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0264% |
95 | tanX | USDT-USDC | $0.9998 0.0004018 Eth | $153,001.00 153,212.000 USDT | 0.0672% |
96 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $133,911.00 184,475.320 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0809% |
97 | OKX | DYDX-USDC | $1.00 0.0004017 Eth | $131,920.00 129,322.400 DYDX | 0.0567% |
98 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $128,495.00 28,467.986 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0125% |
99 | DeGate | 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $60,318.00 630,389.500 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB | 0.2764% |
100 | DeGate | 0X3F1EE2F15DA3EAF3539006B651144EC87755876D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9984 0.0004010 Eth | $54,240.00 589,123.400 0X3F1EE2F15DA3EAF3539006B651144EC87755876D | 0.2583% |
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
0x60806040526004361061006d576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680633659cfe6146100775780634f1ef286146100ba5780635c60da1b146101085780638f2839701461015f578063f851a440146101a2575b6100756101f9565b005b34801561008357600080fd5b506100b8600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610213565b005b610106600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190803590602001908201803590602001919091929391929390505050610268565b005b34801561011457600080fd5b5061011d610308565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b34801561016b57600080fd5b506101a0600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610360565b005b3480156101ae57600080fd5b506101b761051e565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b610201610576565b61021161020c610651565b610682565b565b61021b6106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561025c57610257816106d9565b610265565b6102646101f9565b5b50565b6102706106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156102fa576102ac836106d9565b3073ffffffffffffffffffffffffffffffffffffffff163483836040518083838082843782019150509250505060006040518083038185875af19250505015156102f557600080fd5b610303565b6103026101f9565b5b505050565b60006103126106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614156103545761034d610651565b905061035d565b61035c6101f9565b5b90565b6103686106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561051257600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614151515610466576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260368152602001807f43616e6e6f74206368616e6765207468652061646d696e206f6620612070726f81526020017f787920746f20746865207a65726f20616464726573730000000000000000000081525060400191505060405180910390fd5b7f7e644d79422f17c01e4894b5f4f588d331ebfa28653d42ae832dc59e38c9798f61048f6106a8565b82604051808373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020018273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019250505060405180910390a161050d81610748565b61051b565b61051a6101f9565b5b50565b60006105286106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16141561056a576105636106a8565b9050610573565b6105726101f9565b5b90565b61057e6106a8565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614151515610647576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260328152602001807f43616e6e6f742063616c6c2066616c6c6261636b2066756e6374696f6e20667281526020017f6f6d207468652070726f78792061646d696e000000000000000000000000000081525060400191505060405180910390fd5b61064f610777565b565b6000807f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c36001029050805491505090565b3660008037600080366000845af43d6000803e80600081146106a3573d6000f35b3d6000fd5b6000807f10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b6001029050805491505090565b6106e281610779565b7fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b81604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390a150565b60007f10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b60010290508181555050565b565b60006107848261084b565b151561081e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252603b8152602001807f43616e6e6f742073657420612070726f787920696d706c656d656e746174696f81526020017f6e20746f2061206e6f6e2d636f6e74726163742061646472657373000000000081525060400191505060405180910390fd5b7f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c360010290508181555050565b600080823b9050600081119150509190505600a165627a7a72305820a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed240029
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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