Overview
Max Total Supply
25,168,297,053.004077 USDC
Holders
2,384,325 ( 0.004%)
Market
Price
$1.00 @ 0.000402 ETH (-0.03%)
Onchain Market Cap
$25,168,297,053.00
Circulating Supply Market Cap
$34,668,692,900.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $1.00 0.0004016 Eth | $469,165,810.00 6,941.567 BTC | 0.0022% |
2 | Bybit | ETH-USDC | $1.00 0.0004016 Eth | $164,298,275.00 66,012.370 ETH | 0.0208% |
3 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $135,276,109.00 772,052.678 SO11111111111111111111111111111111111111112 | 0.2433% |
4 | DigiFinex | BTC-USDC | $1.00 0.0004016 Eth | $128,469,287.00 1,892.874 BTC | 0.0006% |
5 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004014 Eth | $102,821,107.00 586,388.292 SO11111111111111111111111111111111111111112 | 0.1848% |
6 | Azbit | BTC-USDC | $1.00 0.0004015 Eth | $79,028,695.00 1,171.570 BTC | 0.0004% |
7 | Binance | BTC-USDC | $0.9999 0.0004016 Eth | $78,774,590.00 1,164.298 BTC | 0.0004% |
8 | Binance | SOL-USDC | $0.9999 0.0004016 Eth | $77,851,392.00 442,879.037 SOL | 0.1395% |
9 | DigiFinex | ETH-USDC | $1.00 0.0004016 Eth | $69,168,236.00 27,780.645 ETH | 0.0088% |
10 | WEEX | BTC-USDC | $0.9999 0.0004016 Eth | $62,462,286.00 922.169 BTC | 0.0003% |
11 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $48,246,186.00 275,236.252 SO11111111111111111111111111111111111111112 | 0.0867% |
12 | Aerodrome SlipStream | 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9998 0.0004014 Eth | $44,944,100.00 664.274 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | 0.0002% |
13 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9991 0.0004013 Eth | $41,025,683.00 41,107,565.960 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 12.9525% |
14 | Hotcoin | BTC-USDC | $1.001 0.0004017 Eth | $40,352,285.00 593.941 BTC | 0.0002% |
15 | Tapbit | BTC-USDC | $0.9999 0.0004014 Eth | $27,989,693.00 414.549 BTC | 0.0001% |
16 | Azbit | BNB-USDC | $0.9996 0.0004014 Eth | $26,567,059.00 45,399.372 BNB | 0.0143% |
17 | LBank | BTC-USDC | $0.9996 0.0004014 Eth | $24,393,259.00 359.813 BTC | 0.0001% |
18 | OKX | BTC-USDC | $0.9999 0.0004016 Eth | $20,592,203.00 304.424 BTC | 0.0001% |
19 | OKX | ETH-USDC | $0.9999 0.0004016 Eth | $20,053,419.00 8,047.093 ETH | 0.0025% |
20 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004015 Eth | $18,105,437.00 18,117,739.927 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 5.7087% |
21 | Bybit | SOL-USDC | $1.00 0.0004016 Eth | $16,773,120.00 95,539.466 SOL | 0.0301% |
22 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $16,714,069.00 4,749,934.848 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 1.4967% |
23 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $16,396,727.00 93,620.313 SO11111111111111111111111111111111111111112 | 0.0295% |
24 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $0.9997 0.0004013 Eth | $16,174,304.00 16,178,282.261 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 5.0976% |
25 | LBank | ETH-USDC | $0.9999 0.0004014 Eth | $14,318,739.00 5,751.124 ETH | 0.0018% |
26 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $0.9989 0.0004012 Eth | $13,247,079.00 13,231,030.867 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 4.1689% |
27 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004014 Eth | $13,132,083.00 74,961.235 SO11111111111111111111111111111111111111112 | 0.0236% |
28 | Aerodrome (Base) | 0X940181A94A35A4569E4529A3CDFB74E38FD98631-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.00 0.0004015 Eth | $13,080,188.00 10,799,995.793 0X940181A94A35A4569E4529A3CDFB74E38FD98631 | 3.4030% |
29 | Biconomy.com | BTC-USDC | $0.9999 0.0004015 Eth | $12,909,754.00 191.161 BTC | 0.0001% |
30 | Kraken | USDC-USD | $0.9998 0.0004016 Eth | $12,727,994.00 12,730,540.548 USDC | 4.0112% |
31 | WhiteBIT | ETH-USDC | $0.9999 0.0004014 Eth | $12,655,906.00 5,083.002 ETH | 0.0016% |
32 | Azbit | SOL-USDC | $1.00 0.0004015 Eth | $12,578,641.00 71,953.434 SOL | 0.0227% |
33 | Raydium (CLMM) | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $11,826,658.00 11,842,628.788 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 3.7315% |
34 | Raydium (CLMM) | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $0.9999 0.0004014 Eth | $10,768,346.00 10,768,689.247 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 3.3931% |
35 | Dexalot | USDT-USDC | $0.9999 0.0004016 Eth | $8,261,145.00 8,272,100.819 USDT | 2.6064% |
36 | Dexalot | WBTC-USDC | $0.9998 0.0004021 Eth | $7,420,799.00 110.059 WBTC | 0.0000% |
37 | Azbit | ETH-USDC | $1.00 0.0004020 Eth | $5,893,152.00 2,371.061 ETH | 0.0007% |
38 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $5,648,396.00 32,223.090 SO11111111111111111111111111111111111111112 | 0.0102% |
39 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $5,520,422.00 5,523,873.197 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 1.7405% |
40 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004014 Eth | $5,498,569.00 31,360.822 SO11111111111111111111111111111111111111112 | 0.0099% |
41 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $5,064,584.00 24,018,401.680 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 7.5679% |
42 | Azbit | LTC-USDC | $0.9999 0.0004014 Eth | $4,945,516.00 70,711.990 LTC | 0.0223% |
43 | Cube | BTC-USDC | $1.00 0.0004015 Eth | $4,896,484.00 72.433 BTC | 0.0000% |
44 | Raydium | NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004016 Eth | $4,658,789.00 1,135,002.206 NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7 | 0.3576% |
45 | Coinbase Exchange | USDC-EUR | $0.9998 0.0004014 Eth | $4,657,855.00 4,658,754.920 USDC | 1.4679% |
46 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9998 0.0004014 Eth | $4,526,693.00 25,789.603 SO11111111111111111111111111111111111111112 | 0.0081% |
47 | Orca | CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $4,420,880.00 6,976,457.180 CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP | 2.1982% |
48 | PointPay | BTC-USDC | $0.9995 0.0004016 Eth | $4,186,639.00 61.860 BTC | 0.0000% |
49 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0004014 Eth | $4,159,549.00 23,722.215 SO11111111111111111111111111111111111111112 | 0.0075% |
50 | Dexalot | AVAX-USDC | $0.9999 0.0004016 Eth | $4,116,822.00 160,845.195 AVAX | 0.0507% |
51 | HTX | ETH-USDC | $0.9999 0.0004016 Eth | $4,114,641.00 1,653.715 ETH | 0.0005% |
52 | HTX | BTC-USDC | $0.9998 0.0004014 Eth | $4,018,719.00 59.511 BTC | 0.0000% |
53 | Bitget | BTC-USDC | $0.9999 0.0004016 Eth | $3,884,350.00 57.561 BTC | 0.0000% |
54 | Bitget | ETH-USDC | $0.9999 0.0004016 Eth | $3,793,981.00 1,525.518 ETH | 0.0005% |
55 | OKX | SOL-USDC | $0.9999 0.0004016 Eth | $3,764,376.00 21,440.267 SOL | 0.0068% |
56 | PointPay | SOL-USDC | $0.9999 0.0004016 Eth | $3,454,280.00 19,648.294 SOL | 0.0062% |
57 | BingX | ETH-USDC | $1.00 0.0004016 Eth | $2,722,424.00 1,093.517 ETH | 0.0003% |
58 | Dex-Trade | BTC-USDC | $1.00 0.0004020 Eth | $2,679,886.00 39.522 BTC | 0.0000% |
59 | Binance | ADA-USDC | $0.9998 0.0004014 Eth | $2,672,446.00 7,920,942.800 ADA | 2.4958% |
60 | Binance | ARB-USDC | $1.00 0.0004020 Eth | $2,606,738.00 5,059,684.200 ARB | 1.5942% |
61 | Binance | DOGE-USDC | $0.9999 0.0004016 Eth | $2,572,726.00 18,133,076.000 DOGE | 5.7135% |
62 | Binance | RUNE-USDC | $0.9999 0.0004016 Eth | $2,107,949.00 400,838.300 RUNE | 0.1263% |
63 | Deribit Spot | SOL-USDC | $0.9996 0.0004014 Eth | $2,053,985.00 11,735.000 SOL | 0.0037% |
64 | LBank | FIL-USDC | $0.9999 0.0004014 Eth | $2,020,026.00 571,343.273 FIL | 0.1800% |
65 | WhiteBIT | BTC-USDC | $1.00 0.0004016 Eth | $1,994,453.00 29.381 BTC | 0.0000% |
66 | PointPay | ETH-USDC | $0.9999 0.0004014 Eth | $1,899,470.00 761.950 ETH | 0.0002% |
67 | Bybit | DOGE-USDC | $1.00 0.0004016 Eth | $1,706,958.00 12,063,071.800 DOGE | 3.8009% |
68 | Deribit Spot | ETH-USDC | $0.9999 0.0004013 Eth | $1,529,271.00 616.103 ETH | 0.0002% |
69 | Backpack Exchange | SOL-USDC | $1.00 0.0004016 Eth | $1,479,415.00 8,428.250 SOL | 0.0027% |
70 | Dex-Trade | ETH-USDC | $0.9999 0.0004014 Eth | $1,463,401.00 587.653 ETH | 0.0002% |
71 | Binance | WLD-USDC | $0.9998 0.0004013 Eth | $1,347,835.00 670,393.800 WLD | 0.2112% |
72 | tanX | BTC-USDC | $1.00 0.0004014 Eth | $1,339,040.00 19.878 BTC | 0.0000% |
73 | OKX | DOGE-USDC | $0.9999 0.0004016 Eth | $1,175,227.00 8,311,297.640 DOGE | 2.6188% |
74 | BYDFi | BTC-USDC | $0.9999 0.0004016 Eth | $989,486.00 14.579 BTC | 0.0000% |
75 | Dexalot | ARB-USDC | $0.9999 0.0004016 Eth | $975,477.00 1,894,144.878 ARB | 0.5968% |
76 | KuCoin | ETH-USDC | $0.9999 0.0004014 Eth | $931,048.00 373.855 ETH | 0.0001% |
77 | BYDFi | ETH-USDC | $1.00 0.0004020 Eth | $804,478.00 323.433 ETH | 0.0001% |
78 | Bitcointry | BTC-USDC | $0.9999 0.0004016 Eth | $796,057.00 11.764 BTC | 0.0000% |
79 | Bitcointry | SOL-USDC | $0.9999 0.0004015 Eth | $780,411.00 4,434.776 SOL | 0.0014% |
80 | BYDFi | XRP-USDC | $0.9999 0.0004016 Eth | $759,825.00 1,477,760.000 XRP | 0.4656% |
81 | Binance | APT-USDC | $1.00 0.0004016 Eth | $747,284.00 81,525.770 APT | 0.0257% |
82 | BingX | DOGE-USDC | $1.00 0.0004016 Eth | $668,453.00 4,733,869.438 DOGE | 1.4916% |
83 | Solidly V3 (Optimism) | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607 | $1.00 0.0004014 Eth | $665,347.00 665,434.285 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.2097% |
84 | tanX | ETH-USDC | $1.00 0.0004020 Eth | $599,571.00 241.137 ETH | 0.0001% |
85 | PointPay | JUP-USDC | $0.9999 0.0004013 Eth | $562,902.00 549,941.557 JUP | 0.1733% |
86 | OKX | XRP-USDC | $0.9999 0.0004016 Eth | $461,421.00 897,181.062 XRP | 0.2827% |
87 | Binance | BOME-USDC | $0.9999 0.0004016 Eth | $429,953.00 50,504,137.000 BOME | 15.9133% |
88 | BitMart | TUSD-USDC | $1.00 0.0004016 Eth | $425,478.00 427,392.000 TUSD | 0.1347% |
89 | Binance | PEOPLE-USDC | $0.9999 0.0004013 Eth | $424,053.00 5,816,965.900 PEOPLE | 1.8329% |
90 | Tokpie | USDT-USDC | $0.9999 0.0004016 Eth | $343,143.00 343,113.020 USDT | 0.1081% |
91 | BingX | UNI-USDC | $1.00 0.0004016 Eth | $306,615.00 40,821.001 UNI | 0.0129% |
92 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $202,513.00 26,855.462 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0085% |
93 | KuCoin | XRP-USDC | $0.9999 0.0004014 Eth | $186,192.00 362,299.782 XRP | 0.1142% |
94 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $173,777.00 60,432.379 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0190% |
95 | OKX | TRX-USDC | $0.9999 0.0004016 Eth | $148,294.00 897,630.379 TRX | 0.2828% |
96 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $135,610.00 186,532.980 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.0588% |
97 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $130,274.00 28,824.451 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0091% |
98 | KuCoin | DOGE-USDC | $0.9999 0.0004014 Eth | $130,116.00 899,442.879 DOGE | 0.2834% |
99 | DeGate | 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $60,521.00 631,186.200 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB | 0.1989% |
100 | DeGate | 0X3F1EE2F15DA3EAF3539006B651144EC87755876D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004014 Eth | $55,164.00 598,097.400 0X3F1EE2F15DA3EAF3539006B651144EC87755876D | 0.1885% |
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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