Overview
Max Total Supply
25,184,198,775.947828 USDC
Holders
2,383,911 ( 0.057%)
Market
Price
$1.00 @ 0.000397 ETH (+0.12%)
Onchain Market Cap
$25,209,382,974.72
Circulating Supply Market Cap
$34,726,943,950.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $0.9996 0.0003963 Eth | $411,233,302.00 6,102.755 BTC | 0.0040% |
2 | Bybit | ETH-USDC | $0.9996 0.0003963 Eth | $153,419,383.00 61,804.050 ETH | 0.0401% |
3 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $132,591,977.00 760,730.431 SO11111111111111111111111111111111111111112 | 0.4940% |
4 | DigiFinex | BTC-USDC | $1.00 0.0003965 Eth | $108,682,489.00 1,594.052 BTC | 0.0010% |
5 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9996 0.0003963 Eth | $97,782,220.00 561,332.306 SO11111111111111111111111111111111111111112 | 0.3645% |
6 | Azbit | BTC-USDC | $1.00 0.0003969 Eth | $83,316,130.00 1,238.680 BTC | 0.0008% |
7 | Binance | SOL-USDC | $0.9995 0.0003989 Eth | $76,211,502.00 434,644.752 SOL | 0.2822% |
8 | Binance | BTC-USDC | $0.9995 0.0003963 Eth | $66,267,615.00 982.037 BTC | 0.0006% |
9 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $47,834,757.00 274,202.796 SO11111111111111111111111111111111111111112 | 0.1781% |
10 | DigiFinex | ETH-USDC | $1.00 0.0003965 Eth | $45,973,821.00 18,236.367 ETH | 0.0118% |
11 | WEEX | BTC-USDC | $1.00 0.0003976 Eth | $42,055,837.00 622.953 BTC | 0.0004% |
12 | Biconomy.com | ETH-USDC | $1.00 0.0003969 Eth | $28,935,967.00 11,661.696 ETH | 0.0076% |
13 | Azbit | BNB-USDC | $0.9998 0.0003989 Eth | $28,450,092.00 48,711.396 BNB | 0.0316% |
14 | Binance | ETH-USDC | $0.9999 0.0003974 Eth | $27,192,455.00 10,941.754 ETH | 0.0071% |
15 | WhiteBIT | USDC-USDT | $1.00 0.0003968 Eth | $23,890,552.00 23,889,999.115 USDC | 15.5136% |
16 | OKX | BTC-USDC | $0.9995 0.0003963 Eth | $18,776,247.00 278.305 BTC | 0.0002% |
17 | OKX | ETH-USDC | $0.9999 0.0003964 Eth | $18,029,143.00 7,246.400 ETH | 0.0047% |
18 | Bybit | SOL-USDC | $0.9996 0.0003963 Eth | $16,506,082.00 94,508.783 SOL | 0.0614% |
19 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $16,076,086.00 92,272.039 SO11111111111111111111111111111111111111112 | 0.0599% |
20 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $1.00 0.0003967 Eth | $16,030,192.00 15,816,262.667 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 10.2707% |
21 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $15,240,803.00 4,337,285.785 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 2.8165% |
22 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9996 0.0003963 Eth | $13,536,002.00 77,733.418 SO11111111111111111111111111111111111111112 | 0.0505% |
23 | Raydium (CLMM) | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9996 0.0003963 Eth | $12,874,927.00 12,891,529.483 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 8.3714% |
24 | LBank | ETH-USDC | $1.00 0.0003963 Eth | $12,417,788.00 4,926.308 ETH | 0.0032% |
25 | Biconomy.com | BTC-USDC | $1.00 0.0003969 Eth | $12,409,304.00 184.272 BTC | 0.0001% |
26 | WhiteBIT | ETH-USDC | $1.00 0.0003969 Eth | $11,417,582.00 4,526.074 ETH | 0.0029% |
27 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0003992 Eth | $7,658,283.00 7,663,092.248 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 4.9762% |
28 | Dexalot | USDT-USDC | $0.9998 0.0004017 Eth | $6,768,385.00 6,777,623.271 USDT | 4.4012% |
29 | Raydium | NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003963 Eth | $6,223,463.00 1,520,352.961 NOSXBVOACTTYDLVKY6CSB4AC8JCDQKKAAWYTX2ZMOO7 | 0.9873% |
30 | Azbit | ETH-USDC | $1.00 0.0003966 Eth | $6,180,622.00 2,491.692 ETH | 0.0016% |
31 | BingX | BTC-USDC | $0.9996 0.0003963 Eth | $6,172,333.00 91.586 BTC | 0.0001% |
32 | Dexalot | WBTC-USDC | $0.9997 0.0003992 Eth | $6,021,175.00 89.592 WBTC | 0.0001% |
33 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $5,533,076.00 31,759.151 SO11111111111111111111111111111111111111112 | 0.0206% |
34 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $5,348,393.00 5,349,371.428 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 3.4737% |
35 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $5,277,989.00 30,203.976 SO11111111111111111111111111111111111111112 | 0.0196% |
36 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0003964 Eth | $5,205,495.00 23,195,353.560 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 15.0625% |
37 | Orca | CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $4,424,653.00 6,769,864.324 CZLSUJWBLFSSJNCFKH59RUFQVAFWCY5TZEDWJSUYPUMP | 4.3962% |
38 | Bitget | BTC-USDC | $0.9995 0.0003963 Eth | $4,103,182.00 61.004 BTC | 0.0000% |
39 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $4,051,903.00 23,195.483 SO11111111111111111111111111111111111111112 | 0.0151% |
40 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $3,965,716.00 22,779.348 SO11111111111111111111111111111111111111112 | 0.0148% |
41 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $3,856,786.00 22,111.227 SO11111111111111111111111111111111111111112 | 0.0144% |
42 | Raydium | ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003966 Eth | $3,856,329.00 3,858,878.532 ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | 2.5059% |
43 | OKX | SOL-USDC | $1.00 0.0003963 Eth | $3,789,196.00 21,689.898 SOL | 0.0141% |
44 | HTX | ETH-USDC | $0.9996 0.0003963 Eth | $3,787,768.00 1,526.081 ETH | 0.0010% |
45 | Bitget | ETH-USDC | $0.9995 0.0003963 Eth | $3,780,238.00 1,523.620 ETH | 0.0010% |
46 | HTX | BTC-USDC | $0.9996 0.0003963 Eth | $3,731,376.00 55.420 BTC | 0.0000% |
47 | Meteora | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $3,693,085.00 1,051,712.578 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.6830% |
48 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9996 0.0003963 Eth | $3,455,136.00 19,835.299 SO11111111111111111111111111111111111111112 | 0.0129% |
49 | PointPay | SOL-USDC | $1.00 0.0003969 Eth | $3,363,534.00 19,161.823 SOL | 0.0124% |
50 | PointPay | BTC-USDC | $0.9995 0.0003963 Eth | $3,260,855.00 48.283 BTC | 0.0000% |
51 | Orca | A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $3,211,322.00 3,216,352.869 A9MUU4QVISCTJVPJDBJWKB28DEG915LYJKRZQ19JI3FM | 2.0886% |
52 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $3,079,055.00 17,669.122 SO11111111111111111111111111111111111111112 | 0.0115% |
53 | Raydium | 4K3DYJZVZP8EMZWUXBBCJEVWSKKK59S5ICNLY3QRKX6R-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0003963 Eth | $3,035,005.00 917,419.680 4K3DYJZVZP8EMZWUXBBCJEVWSKKK59S5ICNLY3QRKX6R | 0.5957% |
54 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $0.9999 0.0003964 Eth | $2,958,144.00 115,492.291 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0750% |
55 | Trubit | BTC-USDC | $1.00 0.0003987 Eth | $2,670,146.00 39.601 BTC | 0.0000% |
56 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9995 0.0003963 Eth | $2,665,815.00 15,286.838 SO11111111111111111111111111111111111111112 | 0.0099% |
57 | BingX | ETH-USDC | $0.9996 0.0003963 Eth | $2,418,358.00 974.142 ETH | 0.0006% |
58 | Binance | RUNE-USDC | $0.9996 0.0003963 Eth | $2,118,503.00 405,438.800 RUNE | 0.2633% |
59 | Biconomy.com | USDT-USDC | $0.9998 0.0003972 Eth | $2,043,628.00 2,046,437.749 USDT | 1.3289% |
60 | LBank | FIL-USDC | $1.00 0.0003977 Eth | $2,040,091.00 574,060.447 FIL | 0.3728% |
61 | Coinbase Exchange | EURC-USDC | $1.00 0.0003969 Eth | $2,018,669.00 1,870,004.000 EURC | 1.2143% |
62 | Dex-Trade | BTC-USDC | $0.9998 0.0003990 Eth | $1,972,653.00 29.088 BTC | 0.0000% |
63 | Deribit Spot | BTC-USDC | $0.9992 0.0003992 Eth | $1,497,309.00 22.177 BTC | 0.0000% |
64 | Bybit | DOGE-USDC | $0.9996 0.0003963 Eth | $1,390,235.00 9,897,458.400 DOGE | 6.4272% |
65 | Slex | ETH-USDC | $0.9998 0.0003972 Eth | $1,381,001.00 555.829 ETH | 0.0004% |
66 | Dexalot | BTC-USDC | $0.9997 0.0003992 Eth | $1,270,456.00 18.874 BTC | 0.0000% |
67 | Deribit Spot | ETH-USDC | $1.00 0.0003972 Eth | $1,263,632.00 509.688 ETH | 0.0003% |
68 | Binance | WLD-USDC | $0.9996 0.0003963 Eth | $1,261,247.00 628,277.500 WLD | 0.4080% |
69 | Dex-Trade | ETH-USDC | $0.9995 0.0003963 Eth | $976,101.00 387.249 ETH | 0.0003% |
70 | KuCoin | ETH-USDC | $0.9995 0.0003963 Eth | $960,837.00 381.266 ETH | 0.0002% |
71 | OKX | DOGE-USDC | $1.00 0.0003963 Eth | $885,360.00 6,341,608.140 DOGE | 4.1181% |
72 | Dexalot | ARB-USDC | $0.9998 0.0004017 Eth | $808,229.00 1,575,227.875 ARB | 1.0229% |
73 | BYDFi | XRP-USDC | $0.9999 0.0003994 Eth | $791,627.00 1,535,761.000 XRP | 0.9973% |
74 | Dex-Trade | SOL-USDC | $1.00 0.0003963 Eth | $788,462.00 4,434.173 SOL | 0.0029% |
75 | Bybit | SUI-USDC | $0.9999 0.0003964 Eth | $774,435.00 435,200.800 SUI | 0.2826% |
76 | Bitcointry | SOL-USDC | $1.00 0.0003969 Eth | $768,289.00 4,366.822 SOL | 0.0028% |
77 | BYDFi | BTC-USDC | $0.9993 0.0003991 Eth | $733,256.00 10.825 BTC | 0.0000% |
78 | Bitcointry | BTC-USDC | $1.00 0.0003969 Eth | $634,809.00 9.401 BTC | 0.0000% |
79 | XT.COM | BTC-USDC | $0.9999 0.0003972 Eth | $607,211.00 9.001 BTC | 0.0000% |
80 | Binance | APT-USDC | $1.00 0.0003969 Eth | $603,223.00 65,575.900 APT | 0.0426% |
81 | BingX | DOGE-USDC | $0.9996 0.0003963 Eth | $597,682.00 4,296,854.183 DOGE | 2.7903% |
82 | KuCoin | BTC-USDC | $0.9995 0.0003963 Eth | $575,334.00 8.446 BTC | 0.0000% |
83 | tanX | ETH-USDC | $1.00 0.0003971 Eth | $533,423.00 214.997 ETH | 0.0001% |
84 | PointPay | JUP-USDC | $0.9995 0.0003963 Eth | $521,217.00 510,156.286 JUP | 0.3313% |
85 | BYDFi | ETH-USDC | $1.00 0.0003969 Eth | $519,598.00 205.931 ETH | 0.0001% |
86 | OKX | XRP-USDC | $0.9999 0.0003964 Eth | $428,082.00 833,311.581 XRP | 0.5411% |
87 | BitMart | TUSD-USDC | $0.9999 0.0003966 Eth | $427,845.00 429,792.200 TUSD | 0.2791% |
88 | KuCoin | SOL-USDC | $0.9996 0.0003963 Eth | $354,489.00 1,994.633 SOL | 0.0013% |
89 | BingX | UNI-USDC | $0.9996 0.0003963 Eth | $287,530.00 38,404.867 UNI | 0.0249% |
90 | OKX | LTC-USDC | $0.9999 0.0003964 Eth | $234,328.00 3,332.399 LTC | 0.0022% |
91 | DeGate | 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.003 0.0003984 Eth | $181,399.00 24,041.218 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984 | 0.0156% |
92 | DeGate | 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.003 0.0003984 Eth | $177,615.00 60,959.402 0XEC53BF9167F50CDEB3AE105F56099AAAB9061F83 | 0.0396% |
93 | KuCoin | XRP-USDC | $0.9995 0.0003963 Eth | $176,439.00 341,675.301 XRP | 0.2219% |
94 | KuCoin | AVAX-USDC | $0.9996 0.0003963 Eth | $160,824.00 6,234.324 AVAX | 0.0040% |
95 | OKX | APE-USDC | $1.00 0.0003963 Eth | $160,003.00 149,241.386 APE | 0.0969% |
96 | OKX | TRX-USDC | $0.9999 0.0003964 Eth | $152,883.00 924,599.767 TRX | 0.6004% |
97 | tanX | USDT-USDC | $0.9998 0.0003987 Eth | $150,363.00 150,569.000 USDT | 0.0978% |
98 | DeGate | 0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.003 0.0003984 Eth | $122,864.00 168,900.380 0X467719AD09025FCC6CF6F8311755809D45A5E5F3 | 0.1097% |
99 | DeGate | 0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.003 0.0003984 Eth | $112,017.00 24,724.191 0X808507121B80C02388FAD14726482E061B8DA827 | 0.0161% |
100 | DeGate | 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.003 0.0003984 Eth | $54,224.00 567,666.200 0X8457CA5040AD67FDEBBCC8EDCE889A335BC0FBFB | 0.3686% |
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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